Carthage, TX to Montopolis, TX is 277.8 miles and takes about 5h 24m via TX 21 and West State Highway 7, with a fuel budget near $40 and enough daylight to finish in a day. This trip stays within Texas, traversing the Great Plains region for its entirety. Expect a predominantly highway experience that should feel straightforward for a single-day drive. If you're looking for a simple, efficient route across the state with minimal fuss, this one fits the bill.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
138.9 miles from Carthage, TX
A natural place for your longest stop of the day
, about 2h 44m into the drive
.
Main Roads
Road
Distance
Duration
TX 21
162.3 mi
3h 3m
West State Highway 7
51.7 mi
1h 4m
TX 315
24.7 mi
25m
US Highway 259
11.2 mi
12m
Northwest Stallings Drive
6 mi
6m
US Route 259
3 mi
3m
North Railroad Avenue
2.6 mi
3m
State Highway 71 East
2.3 mi
2m
Longest stretch:
TX 21
— 162.3 mi, about 3h 3m
Turn-by-Turn Driving Directions
Step-by-step road directions between Carthage, TX and Montopolis, TX.
1
Start on Panola Street
216 ft·6 sec·Panola Street
2
Turn left onto US 59 Business; US 79 Business
364 ft·11 sec·North Saint Mary Street
3
Turn right onto West Sabine Street
1.9 mi·3 min·West Sabine Street
4
Continue on TX 315
25 mi·25 min·TX 315
5
At end of road, turn left onto US 259
2.6 mi·3 min·North Railroad Avenue
6
Continue on US 259
3.0 mi·3 min·US Route 259
7
Continue on US 259
11 mi·12 min·US Highway 259
8
Take the exit
224 ft·6 sec
Toward US 59 South: Lufkin
9
Continue on this road
420 ft·11 sec·this road
10
Continue on this road
0.1 mi·16 sec·this road
11
Turn left
104 ft·4 sec
12
Turn right onto US 59
0.7 mi·47 sec·North US Highway 59
13
Continue on US 59
6.0 mi·6 min·Northwest Stallings Drive
14
Take the exit
0.2 mi·32 sec
15
Turn right onto TX 7
0.4 mi·36 sec·South Fredonia Street
16
Continue on TX 7
52 mi·1 hr 4 min·West State Highway 7
17
Turn right onto US 287; TX 7
129 ft·2 sec·5th Street
18
Turn left onto US 287; TX 7; TX 19; TX 21
196 ft·6 sec·East Houston Avenue
19
Turn left onto US 287; TX 7; TX 19; TX 21
289 ft·8 sec·South 4th Street
20
Turn right onto TX 7; TX 21
1.6 mi·2 min·East Goliad Avenue
21
Turn left onto TX 21
145 mi·2 hr 44 min·TX 21
Use the left lane.
22
Turn left onto TX 95
0.3 mi·29 sec·State Highway 95
Use the left / straight lanes.
23
Turn right onto TX 21
409 ft·10 sec·State Highway 71 East
Use the right lane.
24
Take the ramp
0.4 mi·49 sec
Toward TX 21 West, TX 71 West
25
Merge onto TX 21; TX 71
2.2 mi·2 min·State Highway 71 East
Use the straight / slight right lanes.
26
Continue on TX 71; TX 21
0.7 mi·49 sec·TX 71; TX 21
Use the straight / slight right lanes.
27
Continue on TX 21; TX 71
17 mi·19 min·TX 21; TX 71
28
Continue on 71 Toll
1.9 mi·2 min·Bastrop Freeway
Use the straight / slight right lanes.
29
Continue on TX 71
2.2 mi·2 min·East State Highway 71
Use the straight / slight right lanes.
30
Take the exit
0.5 mi·1 min
Toward US 183 North, 183 Toll North: LampasasUse the straight / slight right lanes.
31
Merge onto US 183
0.4 mi·26 sec·Bastrop Highway
32
Continue on 183 Toll
0.7 mi·40 sec·Bergstrom Expressway
Use the straight / slight right lanes.
33
Take the exit
0.5 mi·54 sec
Toward Loop 111: Cesar Chavez Street, 5th Street, 6th Street, 7th Street, Airport BoulevardUse the right lane.
34
Keep slight right at fork onto Loop 111
0.2 mi·33 sec·Airport Boulevard
35
Continue on Loop 111
0.5 mi·42 sec·Airport Boulevard
36
Continue on US 183
0.1 mi·8 sec·Ed Bluestein Boulevard
37
Take the ramp
486 ft·11 sec
Toward 183 Toll South: Lockhart
38
Arrive at destination
Toward 183 Toll South: Lockhart
Trip Plan
This route is easily manageable in a single day, so you can depart whenever it suits your schedule, though an early start will give you more flexibility. Given the 5h 24m estimated drive time, you'll likely want one stop for fuel and a break, which aligns with the single recommended stop. Pay attention to the transition from highway to surface roads as you approach Montopolis, as this could affect your final travel time. Keep your fuel tank topped up, especially before embarking on the 162.3-mile stretch on TX 21, to avoid any unexpected delays.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 138.9 miles from Carthage, TX, or about 2h 44m into the drive.
The longest continuous stretch on this route runs about 162.3 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 61 miles or 1h 10m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 138.9 miles or 2h 44m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 25m
Traffic, exits, and arrival timing usually matter more near Montopolis, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Carthage, TX so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Carthage, TX
This is one driving day of about 277.8 miles and 5h 24m.
Your first comfortable stop window is around 61 miles from Carthage, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on TX 21 for about 162.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 23
5 decision points cluster between mile 104.7 and 276.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
104.7 mi into trip|~2h 5m in|TX 21
Turn left onto TX 21
Lane positioning matters here
Use the left lane.
6
249.8 mi into trip|~4h 50m in|TX 95 / State Highway 95
Turn left onto TX 95 / State Highway 95
Lane positioning matters here
Use the left / straight lanes.
5
250.6 mi into trip|~4h 51m in|TX 21; TX 71 / State Highway 71 East
Merge onto TX 21; TX 71 / State Highway 71 East
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
7
274.7 mi into trip|~5h 19m in
Take the exit toward US 183 North, 183 Toll North: Lampasas
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward US 183 North, 183 Toll North: Lampasas
7
276.3 mi into trip|~5h 21m in
Take the exit toward Loop 111: Cesar Chavez Street, 5th Street, 6th Street, 7th Street, Airport Boulevard
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the right lane.
Toward Loop 111: Cesar Chavez Street, 5th Stree...
Fuel & Cost
Regular Gas
$38.05 one way
$76.10 round trip
$3.48/gal25.4 MPG avg97 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$3.89
$42.50
$85.00
premium
$4.23
$46.21
$92.42
diesel
$4.80
$52.45
$104.91
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$38
Meals
$25–$50
Total
$63–$88
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 97.2 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $29 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
83.3
1
$29.17
$13.33
Efficient EV
69.5
0
$24.31
$11.11
EV Truck/SUV
111.1
1
$38.89
$17.78
Gas CO2
97 kg
EV CO2
33 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 18, 2026
Origin
Carthage, TX
Late night
in Carthage on Monday
Local time
4:34 AM
CDT
Current temp
75°F
Mostly Cloudy
S 0 to 5 mph10% chanceLive forecast
Flood Warning
Flood Warning issued July 17 at 9:59PM CDT until July 19 at 6:17PM CDT by NWS Austin/San Antonio TX
Flood Warning
Flood Warning issued July 17 at 9:59PM CDT until July 19 at 5:00AM CDT by NWS Austin/San Antonio TX
Destination
Montopolis, TX
Late night
in Montopolis on Monday
Local time
4:34 AM
CDT
Current temp
76°F
Mostly Cloudy
SSE 5 mph1% chanceLive forecast
Flood Warning
Flood Warning issued July 17 at 9:59PM CDT until July 19 at 6:17PM CDT by NWS Austin/San Antonio TX
Flood Warning
Flood Warning issued July 17 at 9:59PM CDT until July 19 at 5:00AM CDT by NWS Austin/San Antonio TX
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
1 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
5h 24m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
You'll be on highways for about 94% of this 277.8-mile trip. The longest continuous stretch of highway driving is 162.3 miles, primarily on TX 21. This means you'll experience extended periods of rural cruising before transitioning to surface roads closer to your destination. Expect a consistent driving pace with fewer interruptions for traffic lights or town centers for much of the route.
94% highway — fuel and pacing are the main things to plan.
38 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 162.3 mi on TX 21.
How Hard Is This Drive?
7/10
This is a straightforward highway drive that stays mostly on TX 21 and West State Highway 7. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 104.7 miles in near TX 21.
Driving Effort7/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 23 significant decision points across 277.8 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 104.7 miles (TX 21): Lane positioning matters here; at 249.8 miles (TX 95 / State Highway 95): Lane positioning matters here; at 250.6 miles (TX 21; TX 71 / State Highway 71 East): Merge point - match speed before joining. Lane positioning matters here.
Doable as a same-day drive at 5h 24m. Total distance: 277.8 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 24m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (94%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 162.3 miles on TX 21. The full list of main roads is in the Roads section above.
Yes — we found about 9 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Montopolis, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. There are 9 rest areas along the route for bathroom stops.
The main spots that need attention: at 104.7 miles (TX 21): Lane positioning matters here; at 249.8 miles (TX 95 / State Highway 95): Lane positioning matters here; at 250.6 miles (TX 21; TX 71 / State Highway 71 East): Merge point - match speed before joining. Lane positioning matters here.
Not recommended in a single day. At 5.4 hours each way, a round trip means 10.8 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Montopolis, TX before the return drive.
