Origin
San Antonio, TX
Afternoon in San Antonio on Sunday
Local time
4:22 PM
CDT
Current temp
81°F
Unavailable
Live forecast
Trip from San Antonio, TX to Roma, TX
Drive Time
4h 28m
Distance
246 mi
396 km
Drive Score
10/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$38
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
4h 15m
★
6 AM
4h 29m
8 AM
4h 55m
10 AM
4h 38m
12 PM
4h 35m
3 PM
4h 39m
5 PM
4h 54m
8 PM
4h 20m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
San Antonio, TX
Wikimedia Commons
Roma, TX
Thomas balabaud
Trip Overview
Traveling from San Antonio to Roma covers 246 miles and takes approximately 4 hours and 28 minutes. Because this journey stays within the Great Plains region of Texas, you can easily complete it as a single-day trip without needing an overnight stay. Expect to spend roughly $37 on fuel for the trek. The route relies heavily on local streets like West Market, Navarro, and East Commerce, rather than major interstates. It is a straightforward drive, but because it is turn-heavy, you should be prepared for a more active experience behind the wheel than a typical highway cruise.
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
123 miles from San Antonio, TX
A natural place for your longest stop of the day , about 2h 8m into the drive .
Drive Character
Expect an engaging, turn-heavy local drive rather than a monotonous interstate grind. With 0% of the route on highways, you will spend the entire 246 miles navigating local roads, meaning there are no long, uninterrupted stretches to zone out on. The road requires your full attention as you transition off the starting streets and navigate the local landscape toward Roma. This is a hands-on driving experience that demands frequent adjustments, making the 4-hour and 28-minute duration feel quite different from a high-speed highway commute.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 19 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Purple Heart Trail is the longest continuous segment at about 144.4 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.2 miles in near Navarro Street.
Route Complexity
3/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 4h 28m drive. You will face about 8 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.2 miles (Navarro Street): Navigation decision point; at 0.3 miles (East Commerce Street): Navigation decision point; at 1.4 miles (Guadalupe Street): Navigation decision point.
Critical Maneuvers
5 of 8 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.2 mi into trip
|
~0m in
|
Navarro Street
Turn left onto Navarro Street
Navigation decision point
4
0.3 mi into trip
|
~0m in
|
East Commerce Street
Turn left onto East Commerce Street
Navigation decision point
4
1.4 mi into trip
|
~3m in
|
Guadalupe Street
Turn right onto Guadalupe Street
Navigation decision point
6
1.5 mi into trip
|
~3m in
Take the ramp toward I 35 South, I 10 East
Multiple destination signs - pick the right one
Toward I 35 South, I 10 East
7
1.7 mi into trip
|
~3m in
|
I 10; US 87 / South Pan Am Expressway
Merge onto I 10; US 87 / South Pan Am Expressway toward I 10 East, US 87 South: Upper Level, Houston
Merge point - match speed before joining. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 10 East, US 87 South: Upper Level, Hou...
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Purple Heart Trail | 144.4 mi | 2h 26m |
| United States Highway 83 | 54.3 mi | 1h 1m |
| US Highway 83 South | 14.2 mi | 15m |
| North Grant Street | 12.4 mi | 14m |
| South Pan Am Expressway | 10 mi | 11m |
| South Zapata Highway | 5.4 mi | 7m |
| North Meadow Avenue | 2 mi | 4m |
| Chihuahua Street | 1 mi | 2m |
Longest stretch:
Purple Heart Trail
— 144.4 mi, about 2h 26m
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio, TX and Roma, TX.
1
Start on Dolorosa Street
143 ft
·
4 sec
·
Dolorosa Street
2
Continue on West Market Street
0.2 mi
·
28 sec
·
West Market Street
3
Turn left onto Navarro Street
250 ft
·
12 sec
·
Navarro Street
4
Turn left onto East Commerce Street
0.5 mi
·
1 min
·
East Commerce Street
5
Turn left onto South Santa Rosa Street
0.5 mi
·
1 min
·
South Santa Rosa Street
6
Continue on South Laredo Street
494 ft
·
13 sec
·
South Laredo Street
7
Turn right onto Guadalupe Street
519 ft
·
17 sec
·
Guadalupe Street
8
Take the ramp
0.2 mi
·
26 sec
Toward I 35 South, I 10 East
9
Merge onto I 10; US 87
10 mi
·
11 min
·
South Pan Am Expressway
Toward I 10 East, US 87 South: Upper Level, Houston
Use the straight / slight right lanes.
10
Continue on I 35
144 mi
·
2 hr 26 min
·
Purple Heart Trail
Use the straight / slight right lanes.
11
Continue on US 83
0.1 mi
·
16 sec
·
Santa Ursula Avenue
12
Turn left onto US 83
0.4 mi
·
53 sec
·
Matamoros Street
13
Continue on US 83
1.0 mi
·
2 min
·
Chihuahua Street
14
Turn right onto North Meadow Avenue
2.0 mi
·
4 min
·
North Meadow Avenue
15
Turn right onto US 83
5.4 mi
·
7 min
·
South Zapata Highway
16
Continue on US 83
14 mi
·
15 min
·
US Highway 83 South
17
Continue on US 83
54 mi
·
1 hr 1 min
·
United States Highway 83
18
Continue on US 83
12 mi
·
14 min
·
North Grant Street
19
Arrive at destination
US 83
Trip Plan
Since this is a turn-heavy route, plan to leave early in the morning to ensure you have plenty of daylight for navigating local roads. You only need to build one stop into your itinerary, which provides enough flexibility to stretch your legs without adding too much time to your 4-hour and 28-minute travel window. Keep your $37 fuel budget in mind as you depart, and ensure your vehicle is ready for a trip that lacks the support of major highway services. My best advice for this specific path is to rely on a reliable GPS for the local turns, as the lack of highway signage means you will be relying on street navigation for the duration of the trip.
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 123 miles from San Antonio, TX, or about 2h 8m into the drive.
The longest continuous stretch on this route runs about 144.4 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 80 miles or 1h 24m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 123 miles or 2h 8m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 38m
Traffic, exits, and arrival timing usually matter more near Roma, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving San Antonio, 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 San Antonio, TX
This is one driving day of about 246 miles and 4h 28m.
Your first comfortable stop window is around 80 miles from San Antonio, 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 Purple Heart Trail for about 144.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 123 mi from San Antonio, TX · 2h 8m into the drive
Mid-route town
Meal stop
123 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 123 miles from San Antonio, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Purple Heart Trail if your tank is already low. That segment runs about 144.4 miles.
Arriving in Roma, TX
The final approach into Roma, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Roma, TX.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$37.58 one way
$75.16 round trip
$3.88/gal
25.4 MPG avg
86 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $41.18 | $82.36 |
| premium | $4.59 | $44.46 | $88.93 |
| diesel | $5.64 | $54.65 | $109.31 |
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: 86.1 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $26 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 73.8 | 0 | $25.83 | $11.81 |
| Efficient EV | 61.5 | 0 | $21.53 | $9.84 |
| EV Truck/SUV | 98.4 | 1 | $34.44 | $15.74 |
Gas CO2
86 kg
EV CO2
29 kg (66% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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.
Destination
Roma, TX
Afternoon in Roma on Sunday
Local time
4:22 PM
CDT
Current temp
72°F
Unavailable
Live forecast
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
9 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 28m 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.
Frequently Asked Questions
The drive from San Antonio, TX to Roma, TX covers 246 miles and takes about 4h 28m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Purple Heart Trail, United States Highway 83, US Highway 83 South. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 123 miles from San Antonio, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $37.58 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a straightforward 4h 28m drive. You will face about 8 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 0.2 miles (Navarro Street): Navigation decision point; at 0.3 miles (East Commerce Street): Navigation decision point; at 1.4 miles (Guadalupe Street): Navigation decision point.
The route from San Antonio, TX to Roma, TX does not surface many named destination signs beyond the main corridor.
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