Austin1701 East Riverside DriveOpened in 1974, closed in the early 2010's. Now El Tacorrido
1200 Barton Springs RoadOpened in 1977, closed around 2015. Now Starbucks
9815 Brodie LaneOpened in 2003, closed around 2010/2011. Now Bush's Chicken
Baytown800 Decker Road#628. Closed 2013?, now Pineapple Express pizza
Beaumont5870 Eastex Freeway#3637. Open as late as 2011, but MattressFirm remodeled it (removed sign box, drive thru covering). Actual drive-thru intact.
775 South 11th St.Later Baskin Robbins, now LoanStar Title Loans (#639)
Benbrook8528 Benbrook Blvd.Opened in 1999, closed in the late 2010's. Currently vacant
Bridge City2395 Texas Avenue#4712. Opened in September 2007 but closed around 2013. Did not receive new logo.
Channelview17203 East FreewayLater Franklin Pre-Owned Dealership, now closed.
College Station3511 Longmire DriveBuilt around early 2001, after a temporary closure of the local stores in summer 2017, this Jack in the Box reopened but shut down shortly afterward for good (around August 2017).
Conroe1184 West Dallas Street#688. Closed between 2008 and 2013, demolished early 2017
Dallas5235 West Lovers LaneOpened 2/84, closed August 2013
9222 John W. Carpenter FreewayNow Taqueria Taxco, opened after freeway right of way acquisition took much of the parking lot.
3231 South Lancaster RoadVacant for years before being torn down for an O'Reilly Auto Parts around 2014. Blue roof suggests it was something else later.
10109 East Northwest HighwayClosed ~2007, later Loan Star Title Loans, and torn down in 2017 for a training campus/coffee lab for White Rock Coffee Co. next door.
1045 West Camp Wisdom RoadTorn down late 1990s/early 2000s for an Eckerd, now "Ebony Super Store".
5931 Forest LaneTorn down in 2011 for Becks Prime
12107 Abrams RoadRenovated into a Pollo Regio
Dickinson3815 Gulf FreewayClosed after Hurricane Harvey, though complete lack of signage indicates that it has closed permanently as of July 2018.
Fort Worth5068 River Oaks Blvd.Now "Quick Wash" since at least 2001 (original Jack in the Box demolished)
Galena Park2507 Clinton* Later Boston Seafood Steak House, and currently TX Star BBQ
* Not an old restaurant, opened in the late 1990s or very early 2000s and gone by 2004. (#3902)
Houston12310 Kingsride Lane#614. Later Papa Joe's BBQ (sometime around 2004-2005) and ultimately torn down in 2014. A Starbucks was planned there but it remains an empty lot as of fall 2018.
1602 FM 1960Opened in 1978, closed in 2018. Currently vacant (#668)
10598 Fuqua#655. Demolished. Now Domino's [thanks Original Timmy Chan's]
4819 Almeda Rd.* #602. Remodeled but some architectural features left
* Records turn up for "Fitch Florist & Treasures", but it's behind a fence.
1902 North Main#605. Now Dollar & Deals, but building has been there for a long time. Was this ever actually a Jack in the Box?
11602 Bellaire Blvd.demo'd around 2004-2005 for strip center, served as Belle Park Auto Sales in the early 2000s. (#656)
6901 Bellfort St.vacant though most recently was Cash Money Tax Services (#636)
5131 Browncroft Blvd.#601. Razed in the late 1990s for an Exxon which is now a Texaco [may have been a Chevron at some point?]
1120 Jefferson St.* It looks like it was at the corner of Jefferson and San Jacinto.
* By 2002, the building was torn down for what is now the Co-Cathedral of the Sacred Heart. (#650)
6103 Kirby Dr.Later Village Flowery, became River Oaks Plant House after that (around 2014).
2001 North Shepherd DriveClosed September 2018. (#606)
4330 Lockwood Dr.Torn down, now AutoZone. The Bellfort location even reuses the sign.
5320 W Bellfort St.
3425 Ella Blvd.*Closed 3/2015 after over 40 years, though it was allegedly one of the poorest performing locations in the chain at the time.
* Became a Prince's Hamburgers in mid-2016 but closed due to Hurricane Harvey damage in late August 2018.
* As of summer 2018 it is now Dream Wings, though signage didn't appear until further after that. (#629)
801 Main Street* Store #3607, which implies it was a newer location down in the tunnels
* Site now BG Group Place (811 Main)
8303 Long Point Rd.A relatively preserved specimen, later "Restaurant y Taqueria Hecho En Mexico" and now Taqueria El Chilango (#603).
* Traces of Texas turned up this 1970s-era picture of its drive-through (source unknown). Check out those prices!
14504 Memorial Dr.Torn down and rebuilt as a Burger King, though served as a General Joe's Chopstix for a while (thanks ArchMemoH)
3402 Old Spanish Trail* Torn down for what appeared to be a Texaco
* Now "Del Rio Food Mart" (no Texaco branding)
103 S. Highway 6#661. Demolished in 2007 for the Highway 6 overpass (in essence, another Katy Freeway victim)
5114 Kirby DriveMay have replaced 6103 originally, later Amazon Grill, now Christian's Tailgate
7545 Park Place Blvd.Originally stand-alone JBX, now a Texaco with a JBX inside of it.
9324 Stella Link Rd.demo'd late 1990s or early 2000s, now parking (#917)
5302 AirlineLooks like it was demolished by 1995 (extant in 1989). #613.
5600 Richmond Ave.Still a JBX as of 2011 but now TitleMax Title Loans (#3610)
18003 El Camino Real* Closed around 2009-2010, old and small [link].
* Served briefly as a restaurant called "J&J Fish & Chicken" and later Daddio'z Pizza.
* In 2014, it was torn down for an Exxon gas station (thanks Urbannizer)
3333 Red Bluff Rd.Loanstar Title Loans. Looks like it hasn't been a Jack in the Box since the early 1990s. (#662)
909 Shepherd DriveOpened in 1970, closed in 2019. Currently vacant
1051 Uvaldenow Loan Star Title Loans (#623)
4302 Westheimer Road#616. Torn down around 2004 for a new retail building, which served as BoConcept 2007-2014
Jacksonville1329 S. Jackson StreetOpened in 2000, closed around the mid-late 2010's. Now Walgreens
Jersey Village15824 Northwest FwyClosed c. 2012 for Northwest Freeway/Beltway 8 interchange rebuild. (#3649)
League City1595 West Main St.Closed between 2011 and 2012, now TitleMax (#3604)
Katy20363 Katy FreewayTorn down between 2006 and 2009 for an NTB (#699)
Kemah625 Texas State Highway 146Opened in 1998, closed in the early 2010's. Last operated as The Nautic Group (closed around 2019). Currently vacant. (#3916)
Madisonville3000 East Main StreetClosed 2019?
Nederland1424 NederlandExtensively remodeled into Cook's Nursery between 1995 and 2005 (#657)
New Braunfels3200 IH 35Opened in 2011, closed less than a decade later. Currently vacant
Orange7247 Interstate 10 EastCurrently "Homsi's #3", largely unchanged late 1990s exterior. (#3651)
Pasadena501 West Southmore* Currently Taqueria El Sol De Jalisco, but they substantially expanded the footprint.
*It no longer looks like a Jack in the Box. (#610)
2213 Strawberry Rd.Opened 1968, later Star Burger and Shrimp Galley (#638)
Port Arthur5123 Gulfway* They appear to have added a second level.
* Currently M & B Auto Sales, was Yvonne's Mexican Imports, later G & Y Auto Sales
* #648.
San Antonio4447 Fredericksburg RoadOpened in 1967. Now ACE Cash Express
2463 Nacogdoches RoadOpened in 1970, closed in the late 2000's. Now Taqueria Vallarta
12400 Nacogdoches RoadOpened in 1975. Now Taqueria El Novillero
5338 Walzem RoadOpened in 1977, closed and demoilshed in 2018
6811 Bandera RoadOpened in 1984, closed in 2018. Currently vacant
9263 Culebra RoadOpened in 1999, closed in 2017. Now Taco Bell
2866 Thousand Oaks DriveOpened in 2000, closed in 2019. Now Las Palapas
3315 San Pedro AvenueOpened in 2008. Now Mr. Juicy
16201 U.S. 281 Access RdClosed in 2008. Demolished in the early 2010's for freeway overpass
190 W. Bitters RoadClosed in 2015. Raised in 2016 for Chipotle. Still retains original road sign
3006 Broadway StreetClosed in 2015. Demolished in 2016 for a strip mall. Sign pole still remains
10418 Perrin Beitel Rd. Ste 102 (inside Chevron)Closed in 2018 after a fire
South Houston1218 Spencer HighwayRazed for what is now BBVA Compass Bank. A newer JBX is just down the street. (#612)
Schertz17501 IH 35Closed in 2018. Demolished for an Exxon station
Temple3506 S. Loop 363Torn down for highway widening, moved to 3608.
Tomball24040 Kuykendahl RoadOpened in 2008, closed around 2019-20. Currently vacant
Universal City1022 Pat Booker RoadOpened in 1970. Now Culebra Delicious Barbacoa
208 Pat Booker RoadFormer Hardee's. Closed in the mid 2010's. Now Taqueria Mariscos El Marinero
Victoria2202 N. Navarro St.Currently Texas Seafood Express (#682). Thanks ArchMemoH!
Waco100 New Road (inside Shell)Later became TitleMax title loans. (Gas station has since become a 7-Eleven)

Thank you to ArchMemoH and SevFiv for the help, the former for filling in loose gaps, store number, and satellite locations (had to correct many addresses!)