How far is Somerset, TX from San Antonio, TX?
The driving distance from Somerset, TX to San Antonio, TX is about 19.6 miles (31.5 km), with a travel time of about 00h 23m by car.
- The straight-line flight distance is about 16.8 miles (27.1 km).
- For a round trip, plan for roughly 00h 46m 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 23m.
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 Somerset and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerset and San Antonio.
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1
Start on K Street
19 m · 8 sec · K Street
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2
Turn left onto Somerset Road
2307 ft · 53 sec · Somerset Road
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3
Turn left onto South TX 1604 Loop West
3232 ft · 49 sec · South TX 1604 Loop West
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4
Continue on Anderson Loop
2.8 mi · 4 min · Anderson Loop
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5
Turn right onto Interstate 35 South
1297 ft · 27 sec · Interstate 35 South
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6
Take the ramp slight left toward I 35 North
1096 ft · 27 sec
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7
Merge slight left onto Purple Heart Trail
4 mi · 4 min · Purple Heart Trail
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8
Continue on South Pan Am Expressway
9.3 mi · 11 min · South Pan Am Expressway
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9
Keep slight left to continue on South Pan Am Expressway
2835 ft · 40 sec · South Pan Am Expressway
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10
Take the exit slight right toward Spur 536: South Alamo Street
619 ft · 15 sec
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11
Turn straight onto South Laredo Street
2093 ft · 46 sec · South Laredo Street
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12
Continue on South Santa Rosa Street
2386 ft · 52 sec · South Santa Rosa Street
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13
Turn right onto Dolorosa Street
1445 ft · 33 sec · Dolorosa Street
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14
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Somerset and San Antonio.
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
Continue on South Pan Am Expressway
9.35 mi · 00h 11m
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 Somerset and Mostly Cloudy near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerset to San Antonio?
The road trip is about 19.6 miles (31.5 km) and usually takes 00h 23m 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 9.8 miles from Somerset and 9.8 miles from San Antonio.
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 2.8 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 7:44 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.61 one way or $5.22 round trip. Estimated CO2 is about 6.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Somerset and Mostly Cloudy near San Antonio.
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 Somerset and San Antonio. Straight-line distance: 16.87 mi (27.15 km).
#1 Somerset
City in Texas, United States
| Population | 1,983 |
| Coordinates | 29.2263500, -98.6578000 |
| Altitude | 197 |
| Country | United States |
#2 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 |
End: Dolorosa Street (-98.493645, 29.424163)
Estimated Travel Time
Distance: 31 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 39m |
| 40 mph (64.37 km/h) | 00h 29m |
| 50 mph (80.47 km/h) | 00h 23m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $2.61 | $5.22 |
| Mid-grade | $4.25 | $2.93 | $5.87 |
| Premium | $4.59 | $3.17 | $6.34 |
| Diesel | $3.99 | $2.76 | $5.51 |
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.