How far is San Antonio, TX from Somerset, TX?
The driving distance from San Antonio, TX to Somerset, TX is about 20.2 miles (32.5 km), with a travel time of about 00h 26m by car.
- The straight-line flight distance is about 16.8 miles (27.1 km).
- For a round trip, plan for roughly 00h 53m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 26m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Bexar County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between San Antonio and Somerset.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Somerset.
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1
Start on Dolorosa Street
44 m · 5 sec · Dolorosa Street
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2
Continue on West Market Street
1042 ft · 28 sec · West Market Street
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3
Turn left onto Navarro Street
76 m · 12 sec · Navarro Street
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4
Turn left onto East Commerce Street
2662 ft · 1 min · East Commerce Street
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5
Turn left onto South Santa Rosa Street
2853 ft · 1 min · South Santa Rosa Street
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6
Continue on South Laredo Street
151 m · 13 sec · South Laredo Street
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7
Turn right onto Guadalupe Street
158 m · 17 sec · Guadalupe Street
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8
Take the ramp left toward I 35 South, I 10 East
1085 ft · 27 sec
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9
Merge slight left onto South Pan Am Expressway
10 mi · 12 min · South Pan Am Expressway
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10
Continue on Purple Heart Trail
4 mi · 4 min · Purple Heart Trail
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11
Take the exit slight right toward Loop 1604: Somerset
1288 ft · 31 sec
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12
Turn straight onto Interstate 35 South
1004 ft · 22 sec · Interstate 35 South
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13
Turn left onto Anderson Loop
3 mi · 4 min · Anderson Loop
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14
Continue on South TX 1604 Loop West
3232 ft · 53 sec · South TX 1604 Loop West
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15
Turn right onto Somerset Road
2307 ft · 50 sec · Somerset Road
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16
Turn right onto K Street
19 m · 2 sec · K Street
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17
Arrive at your destination
0 m · 1 sec · K Street
Car Route Details
A richer read on the saved driving route between San Antonio and Somerset.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
South Pan Am Expressway
Merge slight left onto South Pan Am Expressway
10 mi · 00h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Cloudy leaving San Antonio and Mostly Cloudy near Somerset.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Somerset?
The road trip is about 20.2 miles (32.5 km) and usually takes 00h 26m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Von Ormy is a useful midpoint, sitting about 10.1 miles from San Antonio and 10.1 miles from Somerset.
How much longer is the road route than the straight-line distance?
The direct path is about 16.8 miles (27.1 km), while the road route adds roughly 3.4 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:36 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.68 one way or $5.37 round trip. Estimated CO2 is about 6.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around San Antonio and Mostly Cloudy near Somerset.
Stop Ideas Near Von Ormy
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Piazza Italia Park
City Hall San Antonio
Municipal Plaza
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Von Ormy.
San Antonio Station
San Marcos Station
Flight Path Map
This map shows the direct air route between San Antonio and Somerset. Straight-line distance: 16.87 mi (27.15 km).
#1 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area.
| Population | 1,567,118 |
| Coordinates | 29.4241200, -98.4936300 |
| Altitude | 198 |
| Country | United States |
#2 Somerset
City in Texas, United States
| Population | 1,983 |
| Coordinates | 29.2263500, -98.6578000 |
| Altitude | 197 |
| Country | United States |
End: Somerset (-98.6578, 29.22635)
Estimated Travel Time
Distance: 32 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 40m |
| 40 mph (64.37 km/h) | 00h 30m |
| 50 mph (80.47 km/h) | 00h 24m |
| 60 mph (96.56 km/h) | 00h 20m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $2.68 | $5.37 |
| Mid-grade | $4.25 | $3.02 | $6.04 |
| Premium | $4.59 | $3.26 | $6.52 |
| Diesel | $3.99 | $2.84 | $5.67 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Texas · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.