Origin
Sullivan City, TX
Afternoon in Sullivan City on Monday
Local time
12:08 PM
CDT
Current temp
82°F
Unavailable
Live forecast
Trip from Sullivan City, TX to San Antonio, TX
Drive Time
4h 48m
Distance
261.2 mi
420 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$40
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
4h 35m
★
6 AM
4h 49m
8 AM
5h 16m
10 AM
4h 58m
12 PM
4h 55m
3 PM
4h 59m
5 PM
5h 14m
8 PM
4h 41m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Sullivan City, TX
Jeff Stapleton
San Antonio, TX
Wikimedia Commons
Trip Overview
Traveling from Sullivan City to San Antonio covers 260.9 miles and typically takes about 4 hours and 7 minutes. This route is well-suited for a single-day trip, as it doesn't require an overnight stay to reach your destination comfortably. You should budget approximately $39 for fuel to complete the journey. Both your starting point and your destination are located within the Great Plains region of Texas, keeping the landscape consistent throughout your transit. Since the drive is manageable in a single stretch without mandatory stops, it serves as a straightforward connection between these two areas.
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
130.6 miles from Sullivan City, TX
A natural place for your longest stop of the day , about 2h 24m into the drive .
Drive Character
Expect a turn-heavy local drive rather than a straightforward interstate haul on this 260.9-mile journey. Because the route consists of local roads with 0% highway share, you will need to remain attentive to frequent navigation changes. The personality of this drive is dictated by its technical nature, which demands more focus than a monotonous highway cruise. Without any long, uninterrupted stretches of road, the experience remains engaging and requires constant awareness behind the wheel. You will find that the road surface and local traffic patterns shift as you transition through the various local segments.
This route has more turning and local-road decision points than a simple highway run.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
East Expressway 83 is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.
Route Complexity
3/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 4h 48m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Sullivan City, TX to San Antonio, TX is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| East Expressway 83 | Unavailable | Refreshing |
| La Joya Bypass | Unavailable | Refreshing |
| I 69C North | Unavailable | Refreshing |
| Nueces Street | Unavailable | Refreshing |
| Commerce Street | Unavailable | Refreshing |
| Interstate 37 South | Unavailable | Refreshing |
| East Commerce Street | Unavailable | Refreshing |
| Military Plaza | Unavailable | Refreshing |
Per-road distance and duration are being refreshed from OSRM for this route.
Longest stretch:
East Expressway 83
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sullivan City, TX and San Antonio, TX.
1
Start on East Expressway 83
108 ft
·
9 sec
·
East Expressway 83
2
Continue on East Expressway 83
2.4 mi
·
2 min
·
East Expressway 83
3
Keep slight left to continue on La Joya Bypass
24 mi
·
26 min
·
La Joya Bypass
4
Take the exit slight right toward I 69C North, US 281: Edinburg
1.0 mi
·
1 min
·
I 69C North, US 281: Edinburg
5
Continue straight
22 mi
·
23 min
6
Continue straight
57 mi
·
1 hr
7
Keep slight right
70 mi
·
1 hr 19 min
8
Keep slight left to continue on Nueces Street
15 mi
·
18 min
·
Nueces Street
9
Continue straight
0.2 mi
·
16 sec
10
Take the exit straight
69 mi
·
1 hr 11 min
11
Take the exit slight right toward Commerce Street, Downtown, The Alamo
0.3 mi
·
33 sec
·
Commerce Street, Downtown, The Alamo
12
Turn straight onto Interstate 37 South
381 ft
·
12 sec
·
Interstate 37 South
13
Turn left onto East Commerce Street
0.9 mi
·
1 min
·
East Commerce Street
14
Turn left onto Military Plaza
390 ft
·
16 sec
·
Military Plaza
15
Turn left onto Dolorosa Street
328 ft
·
8 sec
·
Dolorosa Street
16
Arrive at your destination
Trip Plan
To make the most of this 4-hour and 7-minute trip, aim to depart early in the day to avoid peak congestion on local roads. Since there are no scheduled stops, ensure your vehicle is fueled up before you leave Sullivan City to keep your $39 budget on track. Flexibility is your biggest advantage here, as you can easily adjust your pace to accommodate local traffic conditions. Keep a close eye on your navigation system, as the lack of highway driving means you will be making frequent turns throughout the journey. Staying alert to these transitions is the best way to ensure a smooth, stress-free arrival in San Antonio.
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 130.6 miles from Sullivan City, TX, or about 2h 24m into the drive.
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 28m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 130.6 miles or 2h 24m 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 56m
Traffic, exits, and arrival timing usually matter more near San Antonio, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Sullivan City, 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 Sullivan City, TX
This is one driving day of about 261.2 miles and 4h 48m.
Your first comfortable stop window is around 80 miles from Sullivan City, 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.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 130.6 mi from Sullivan City, TX · 2h 24m into the drive
Mid-route town
Meal stop
131 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 130.6 miles from Sullivan City, TX, which is a good place for a longer meal and fuel stop.
Arriving in San Antonio, TX
The final approach into San Antonio, 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 San Antonio, TX.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$39.90 one way
$79.80 round trip
$3.88/gal
25.4 MPG avg
91 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $43.73 | $87.45 |
| premium | $4.59 | $47.21 | $94.42 |
| diesel | $5.64 | $58.03 | $116.06 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$40
Meals
$25–$50
Total
$65–$90
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 91.4 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $27 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 78.4 | 0 | $27.43 | $12.54 |
| Efficient EV | 65.3 | 0 | $22.85 | $10.45 |
| EV Truck/SUV | 104.5 | 1 | $36.57 | $16.72 |
Gas CO2
91 kg
EV CO2
31 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
San Antonio, TX
Afternoon in San Antonio on Monday
Local time
12:08 PM
CDT
Current temp
81°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
1 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 48m 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 Sullivan City, TX to San Antonio, TX covers 261.2 miles and takes about 4h 48m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are East Expressway 83, La Joya Bypass, I 69C North. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 130.6 miles from Sullivan City, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $39.90 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 48m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
This route does not have any notably tricky sections. Most of the drive from Sullivan City, TX to San Antonio, TX is straightforward, with well-signed roads and simple exits.
The route from Sullivan City, TX to San Antonio, TX does not surface many named destination signs beyond the main corridor.
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