Road Ranger
0.1 mi from route
Trip from San Antonio, TX to Sweeny, TX
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Jul 20, 2026 · Editorial standards
Drive Time
4h 10m
Distance
206.5 mi
332 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$28
one way
EV Charging
Unknown
Best Time to Leave
4 AM
3h 57m
★
6 AM
4h 11m
8 AM
4h 37m
10 AM
4h 20m
12 PM
4h 17m
3 PM
4h 21m
5 PM
4h 35m
8 PM
4h 3m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
San Antonio, TX
Wikimedia Commons
Sweeny, TX
Jeff Stapleton
Trip Overview
San Antonio, TX to Sweeny, TX is 206.5 miles and takes about 4h 10m via I 10 and US Highway 90A, with a fuel budget near $33 and enough daylight to finish in a day. This trip stays within the Great Plains region, primarily traversing Texas. Expect a straightforward drive with a significant portion on interstate highways. It's a manageable distance, making it suitable for a single-day excursion, offering a practical way to get from point A to point B without extensive planning.
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
103.2 miles from San Antonio, TX
A natural place for your longest stop of the day , about 1h 47m into the drive .
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 10 | 92.8 mi | 1h 32m |
| 90th Infantry Division Highway | 22.2 mi | 23m |
| US Highway 90A | 21.9 mi | 27m |
| TX-36 | 20.4 mi | 31m |
| State Highway 71 South | 9.7 mi | 10m |
| FM 360 | 8.9 mi | 15m |
| US Highway 90A West | 5 mi | 7m |
| West Brazos Avenue | 4.6 mi | 6m |
Longest stretch:
I 10
— 92.8 mi, about 1h 32m
Traffic on I-10
Hour-of-day weekday pattern from 44 FHWA count stations on your route.
Peak
4 PM
~1,619 veh/hr typical · worst 2,287
Quietest
2 AM
~259 veh/hr
Peak-to-quiet ratio
6.3×
busier at peak than in the quiet hours
12a
6a
noon
6p
11p
Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio, TX and Sweeny, TX.
1
Start on Dolorosa Street
143 ft
·
4 sec
·
Dolorosa Street
2
Continue on West Market Street
0.4 mi
·
42 sec
·
West Market Street
3
Continue on East Market Street
0.4 mi
·
45 sec
·
East Market Street
4
Turn left
363 ft
·
13 sec
Use the left lane.
5
Turn straight onto East Commerce Street
0.7 mi
·
1 min
·
East Commerce Street
6
Keep slight left at fork onto East Commerce Street
2.7 mi
·
4 min
·
East Commerce Street
7
Turn slight right onto East Houston Street
0.3 mi
·
30 sec
·
East Houston Street
8
Turn left onto Interstate 10 East
0.1 mi
·
11 sec
·
Interstate 10 East
Use the left / straight lanes.
9
Take the ramp
0.2 mi
·
21 sec
Toward I 10 East, US 90 East
Use the straight / slight left lanes.
10
Merge onto I 10; US 90
1.8 mi
·
2 min
·
Jose Lopez Freeway
Use the straight / slight right lanes.
11
Continue on I 10; US 90
22 mi
·
23 min
·
90th Infantry Division Highway
Use the slight right lane.
12
Continue on I 10; TX 130
93 mi
·
1 hr 32 min
·
I 10; TX 130
Toward I 10 East: Houston, Austin, Waco
Use the straight / slight right lanes.
13
Take the exit
365 ft
·
8 sec
Toward TX 71 East, TX 71 BUS: Columbus, El Campo
14
Continue on TX 71
0.3 mi
·
35 sec
·
TX 71
Toward TX 71 East, TX 71 BUS: Columbus, El Campo
15
Turn right onto TX 71
9.7 mi
·
10 min
·
State Highway 71 South
16
Turn left onto US 90 Alt
7.4 mi
·
8 min
·
US Highway 90A
17
Continue on US 90 Alt
0.8 mi
·
1 min
·
South McCarty Avenue
18
Continue on US 90 Alt
0.3 mi
·
54 sec
·
Boothe Drive
19
Continue on US 90 Alt; FM 102
0.8 mi
·
1 min
·
East Main Street
20
Continue on US 90 Alt
5.4 mi
·
5 min
·
US Highway 90A
21
Continue on US 90 Alt
0.8 mi
·
1 min
·
Main Street
22
Continue on US 90 Alt
9.1 mi
·
13 min
·
US Highway 90A
23
Continue on US 90 Alt
1.4 mi
·
2 min
·
Main Street
24
Continue on US 90 Alt
5.0 mi
·
7 min
·
US Highway 90A West
25
Turn right onto FM 1875
1.8 mi
·
3 min
·
Beasley Road
26
Continue on FM 1875
2.8 mi
·
5 min
·
Taverner Road
27
At end of road, turn right onto Loop 540
0.6 mi
·
1 min
·
Loop 540
28
Turn left onto FM 360
8.9 mi
·
15 min
·
FM 360
29
Turn right onto TX 36
20 mi
·
31 min
·
TX-36
30
Turn sharp right onto TX 35
4.6 mi
·
6 min
·
West Brazos Avenue
31
Turn left onto FM 1459
3.5 mi
·
6 min
·
FM 1459
32
Keep slight left at fork onto FM 1459
0.3 mi
·
31 sec
·
North McKinney Street
33
Turn straight onto FM 1459
0.8 mi
·
1 min
·
East 2nd Street
34
Turn left onto FM 524
78 ft
·
2 sec
·
North Main Street
35
Arrive at destination
FM 524
Trip Plan
To make the most of this 4h 10m drive, consider an early morning departure from San Antonio to avoid potential traffic. With only one recommended stop and a fuel cost around $33, it's an efficient trip. The longest continuous stretch is 92.8 miles on I 10, so plan your fuel and rest stops accordingly before you hit that segment. Since this is a single-day trip, you have flexibility; however, keeping an eye on the time will ensure you arrive in Sweeny with ample daylight. Pay attention to the transition from I 10 to US Highway 90A, as this is where road conditions and speed will change.
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 103.2 miles from San Antonio, TX, or about 1h 47m into the drive.
The longest continuous stretch on this route runs about 92.8 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 45 miles or 49m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 103.2 miles or 1h 47m 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 11m
Traffic, exits, and arrival timing usually matter more near Sweeny, 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 206.5 miles and 4h 10m.
Your first comfortable stop window is around 45 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 I 10 for about 92.8 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
103 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 45 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 103.2 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 I 10 if your tank is already low. That segment runs about 92.8 miles.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Stops Along Your Drive
Picked by where they fit in your drive — first break, midpoint reset, final stretch.
Guadalupe County Westbound Rest Area
0.1 mi from route
Guadalupe County Eastbound Rest Area
0.1 mi from route
Roady's Truck Stops
0.1 mi from route
Buc-ee's
0.1 mi from route
Flying J Travel Center
0.1 mi from route
Pilot Travel Center
0.1 mi from route
Pilot Travel Center
0.1 mi from route
Love's Travel Stop
0.1 mi from route
TA
0.1 mi from route
QuikTrip
0.1 mi from route
QuikTrip
0.1 mi from route
Petro Stopping Centers
0.1 mi from route
Colorado County Eastbound Rest Area
0.2 mi from route
Colorado County Westbound Rest Area
0.2 mi from route
Love's Travel Stop
0.2 mi from route
Jud's Travel Center
0.2 mi from route
Amigos Country Corner
0.2 mi from route
Love's Travel Stop
0.2 mi from route
Super Travel Center
0.4 mi from route
Pilot Travel Center
1.1 mi from route
Spanish Governor's Palace
4.5
★ ★ ★ ★ ★
Near the start, right off the route
0.1 mi from route
San Antonio, Texas
Hours: 9 am–5 pm
+12102077527
Visit websiteGO RIO San Antonio River Cruises
4.6
★ ★ ★ ★ ★
Near the start, right off the route
0.4 mi from route
~1 min detour
San Antonio, Texas
Hours: 10 am–10 pm
+12102274746
Visit websiteSan Antonio | The Saga
4.5
★ ★ ★ ★ ★
Near the start, right off the route
0 mi from route
San Antonio, Texas
Hours: 9–9:30 pm
+12102259800
Visit websiteHemisfair
4.7
★ ★ ★ ★ ★
Near the start, right off the route
0.5 mi from route
~1 min detour
San Antonio, Texas
Hours: 5 am–12 pm
+12107094750
Visit websiteSan Antonio Fire Museum
4.9
★ ★ ★ ★ ★
Near the start, right off the route
0.6 mi from route
~1 min detour
San Antonio, Texas
Hours: 10 am–3:30 pm
+12103907236
Visit websiteThe Amazing Mirror Maze
4.4
★ ★ ★ ★ ☆
Near the start, right off the route
0.4 mi from route
~1 min detour
San Antonio, Texas
Hours: 10:30 am–8 pm
+12102242288
Visit websiteSEA LIFE San Antonio
4.1
★ ★ ★ ★ ☆
Near the start, right off the route
0.4 mi from route
~1 min detour
San Antonio, Texas
Hours: 10 am–5 pm
+12106101160
Visit websiteSan Antonio River Lock & Dam
4.7
★ ★ ★ ★ ★
Near the start, right off the route
0.8 mi from route
~2 min detour
San Antonio, Texas
Hours: 9 am–10 pm
+12102271373
Visit websitePlace data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 175 decision points cluster between mile 0.8 and 121.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.8 mi into trip
|
~1m in
Turn left
Lane positioning matters here
Use the left lane.
6
4.6 mi into trip
|
~7m in
|
Interstate 10 East
Turn left onto Interstate 10 East
Lane positioning matters here
Use the left / straight lanes.
7
4.7 mi into trip
|
~7m in
Take the ramp toward I 10 East, US 90 East
Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight left lanes.
Toward I 10 East, US 90 East
5
4.9 mi into trip
|
~8m in
|
I 10; US 90 / Jose Lopez Freeway
Merge onto I 10; US 90 / Jose Lopez Freeway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
5
121.6 mi into trip
|
~2h 6m in
Take the exit toward TX 71 East, TX 71 BUS: Columbus, El Campo
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward TX 71 East, TX 71 BUS: Columbus, El Camp...
Fuel & Cost
Regular Gas
$28.28 one way
$56.57 round trip
$3.48/gal
25.4 MPG avg
72 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $3.89 | $31.59 | $63.19 |
| premium | $4.23 | $34.35 | $68.70 |
| diesel | $4.80 | $38.99 | $77.98 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$28
Meals
$25–$50
Total
$53–$78
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 72.3 kg one way. Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $22 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 62 | 0 | $21.68 | $9.91 |
| Efficient EV | 51.6 | 0 | $18.07 | $8.26 |
| EV Truck/SUV | 82.6 | 1 | $28.91 | $13.22 |
Gas CO2
72 kg
EV CO2
24 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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.
Origin
San Antonio, TX
Morning in San Antonio on Monday
Local time
6:23 AM
CDT
Current temp
93°F
Partly Sunny
SSE 10 mph
1% chance
Live forecast
Flood Warning
Flood Warning issued July 18 at 12:27PM CDT until July 20 at 3:00AM CDT by NWS Austin/San Antonio TX
Flood Warning
Flood Warning issued July 18 at 9:55AM CDT until July 19 at 11:00AM CDT by NWS Austin/San Antonio TX
Destination
Sweeny, TX
Morning in Sweeny on Monday
Local time
6:23 AM
CDT
Current temp
91°F
Mostly Sunny
S 10 mph
7% chance
Live forecast
Flood Warning
Flood Warning issued July 18 at 12:27PM CDT until July 20 at 3:00AM CDT by NWS Austin/San Antonio TX
Flood Warning
Flood Warning issued July 18 at 9:55AM CDT until July 19 at 11:00AM 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
2 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 10m 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.
National Parks Near This Route
Worth a detour if your schedule allows.
San Antonio Missions National Historical Park
National Historical Park
Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas. Each mission in the park is a center of community and has been since the early 1700s. Th...
9 mi from route
~22 min detour
Free
View on nps.gov
Park data from the National Park Service API. Alerts update every 2 hours.
What kind of drive is this?
This route is predominantly highway, with 80% of the drive on major roads like I 10. You'll experience a longest stretch of 92.8 miles on I 10 before transitioning to surface roads. Expect to encounter numerous exits and merges as you navigate these higher-speed sections. The shift from interstate to US Highway 90A will likely bring a change in traffic patterns and speed limits.
80% highway — fuel and pacing are the main things to plan.
35 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 92.8 mi on I 10.
How Hard Is This Drive?
6/10
This is a straightforward highway drive that stays mostly on I 10 and 90th Infantry Division Highway. You will hit about 17 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.8 miles in.
Driving Effort
6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 206.5 miles you will encounter 17 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.8 miles: Lane positioning matters here; at 4.6 miles (Interstate 10 East): Lane positioning matters here; at 4.7 miles: Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Mostly flat terrain
649 ft
31 ft
Total Climb
109 ft
Total Descent
727 ft
Highest Point
649 ft
Elevation Range
618 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between San Antonio, TX and Sweeny, TX, road signs point toward Austin, Waco and El Campo.
Austin
28.8 mi in
|
~33m
|
via I 10; TX 130
Waco
28.8 mi in
|
~33m
|
via I 10; TX 130
El Campo
121.6 mi in
|
~2h 6m
About the Cities
Starting in San Antonio, TX
Full guide →Founded 1718
San Antonio is the second largest city in the state of Texas and the 7th largest in the United States. It's the 24th largest metropolitan area in the country. Visited by more than 31 million annual visitors, San Antonio is a beautiful city at the axis of three different geological terrains: Hill Country, South Texas Plains and Prairie and Lakes. There's a lot to do in this city: fine art museums, historical missions and plenty of amusement parks in addition to great dining and lots of drinking. The culture and people are vibrant and interesting. San Antonio's downtown is one of the most lively in the nation.
Top landmarks
- • Alamo Mission in San Antonio — historic place in San Antonio, Bexar County, Texas
- • San Antonio Missions National Historical Park — historic district in San Antonio, Bexar County, Texas
- • Fort Sam Houston — military base in San Antonio, Texas
Arriving in Sweeny, TX
Full guide →City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 4h 10m. Total distance: 206.5 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 10m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (80%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 92.8 miles on I 10. The full list of main roads is in the Roads section above.
Yes — we found about 21 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 Sweeny, 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 21 rest areas along the route for bathroom stops.
The main spots that need attention: at 0.8 miles: Lane positioning matters here; at 4.6 miles (Interstate 10 East): Lane positioning matters here; at 4.7 miles: Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — San Antonio Missions National Historical Park. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 4.2 hours each way, an in-and-out day trip would put you behind the wheel for 8.4 hours — manageable with a long break at Sweeny, TX, but most travelers stay overnight.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.
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