How far is Seminole, TX from San Antonio, TX?

The driving distance from Seminole, TX to San Antonio, TX is about 383.6 miles (617.3 km), with a travel time of about 06h 11m by car.

  • The straight-line flight distance is about 334.9 miles (538.9 km).
  • For a round trip, plan for roughly 12h 22m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
383.58 mi
06h 11m
Flight
334.87 mi
538.92 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Seminole.

Flight Distance

Direct air line
334.87 mi
Kilometers
538.92 km
Flight Time
00h 40m

Driving Distance

Road route
383.58 mi
Kilometers
617.31 km
Drive Time
06h 11m

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 06h 11m.

Arrival Snapshot
Arrive in San Antonio
Wed, May 13, 1:47 AM CDT
Return by in Seminole
Wed, May 13, 7:58 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Seminole
2026-05-12T19:36
Arrive San Antonio
Wed, May 13, 1:47 AM CDT
Route Timing
06h 11m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
12:11 PM to 1:41 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:38 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Seminole
8:00 PM CDT
Overnight-style route

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.

Mid-route stop
San Angelo
TX

The most populous city in Tom Green County, Texas.

From Seminole
193.6 mi
03h 05m
To San Antonio
190 mi
03h 05m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
95°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 to 10 mph SW
Destination
86°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 mph NE

Driving Route Map

The map below follows the saved road route between Seminole and San Antonio.

Turn-by-Turn Driving Directions

Step-by-step road directions between Seminole and San Antonio.

  1. 1

    Start on East Avenue A

    38.7 mi · 44 min · East Avenue A

  2. 2

    Continue on Seminole Road

    1.6 mi · 2 min · Seminole Road

  3. 3

    Continue on North 4th Street

    1.1 km · 55 sec · North 4th Street

  4. 4

    Turn right onto North Lynn Avenue

    1.2 mi · 1 min · North Lynn Avenue

  5. 5

    Continue on South Dallas Avenue

    1.3 mi · 1 min · South Dallas Avenue

  6. 6

    Continue on South US Highway 87

    18.1 mi · 18 min · South US Highway 87

  7. 7

    Continue on William Crooker Highway

    1.4 mi · 1 min · William Crooker Highway

  8. 8

    Continue on North US Highway 87

    18.1 mi · 18 min · North US Highway 87

  9. 9

    Continue on William B Crooker Memorial Highway

    52.1 mi · 52 min · William B Crooker Memorial Highway

  10. 10

    Continue on 4th Street

    1.2 mi · 2 min · 4th Street

  11. 11

    Continue on US Highway 87 South

    14.6 mi · 15 min · US Highway 87 South

  12. 12

    Continue straight

    72.2 mi · 1 hr 18 min

  13. 13

    Turn right onto South Main Street

    21.5 mi · 23 min · South Main Street

  14. 14

    Continue on Ellis Street

    29.4 mi · 31 min · Ellis Street

  15. 15

    Take the exit left toward I 10 East: San Antonio

    40 mi · 38 min

  16. 16

    Continue straight

    54.3 mi · 55 min

  17. 17

    Keep slight right

    17.4 mi · 20 min

  18. 18

    Keep slight right to continue on McDermott Freeway

    1.7 mi · 2 min · McDermott Freeway

  19. 19

    Take the exit slight right toward Santa Rosa Street, Downtown

    2505 ft · 1 min

  20. 20

    Turn straight onto North Pecos-La Trinidad

    804 ft · 16 sec · North Pecos-La Trinidad

  21. 21

    Keep slight right to continue on North Pecos-La Trinidad

    2963 ft · 1 min · North Pecos-La Trinidad

  22. 22

    Turn left onto Dolorosa Street

    2582 ft · 56 sec · Dolorosa Street

  23. 23

    Arrive at your destination

    0 m · 1 sec · Dolorosa Street

Car Route Details

A richer read on the saved driving route between Seminole and San Antonio.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
23 steps
4 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
6 / 100 mi
Decision points by distance
Main Roads
I 10 East
112 mi · 29%
US Highway 87 South
86.8 mi · 23%
William B Crooker Memorial Highway
52.1 mi · 14%
East Avenue A
38.7 mi · 10%
Ellis Street
29.4 mi · 8%
South Main Street
21.5 mi · 6%
Longest Stretch

US Highway 87 South

Continue straight

72.2 mi · 01h 18m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 11m
Overnight route
Same-Day Return
12h 22m
Round-trip wheel time
Road vs Air
+48.7 mi
334.9 mi direct line
Halfway Stop
San Angelo
03h 05m from Seminole
Leave By
11:38 PM CDT
Overnight-style route
Weather Watch

Sunny leaving Seminole and Mostly Sunny near San Antonio.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Seminole to San Antonio?

The road trip is about 383.6 miles (617.3 km) and usually takes 06h 11m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

San Angelo is a useful midpoint, sitting about 193.6 miles from Seminole and 190 miles from San Antonio.

How much longer is the road route than the straight-line distance?

The direct path is about 334.9 miles (538.9 km), while the road route adds roughly 48.7 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $51.17 one way or $102.34 round trip. Estimated CO2 is about 120.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Seminole and Mostly Sunny near San Antonio.

Flight Path Map

This map shows the direct air route between Seminole and San Antonio. Straight-line distance: 334.87 mi (538.92 km).

Seminole

#1 Seminole

City in Texas, USA

Population7,952
Coordinates32.7189900, -102.6449100
Altitude1005
CountryUnited States
San Antonio

#2 San Antonio

The seventh most populous city in the United States and the center of the San Antonio metropolitan area.

Population1,567,118
Coordinates29.4241200, -98.4936300
Altitude198
CountryUnited States
Start: East Avenue A (-102.64491, 32.718984)
End: Dolorosa Street (-98.493645, 29.424163)

Estimated Travel Time

Distance: 617 km by road

SpeedTime
30 mph (48.3 km/h)12h 46m
40 mph (64.37 km/h)09h 35m
50 mph (80.47 km/h)07h 40m
60 mph (96.56 km/h)06h 23m
70 mph (112.65 km/h)05h 28m
80 mph (129 km/h)04h 47m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.54 gal
51.24 L · about $51.17
Round trip
$102.34
27.08 gal · 102.48 L
Estimated CO2
120.3 kg one way
Round trip: 240.7 kg / 531 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $51.17 $102.34
Mid-grade $4.25 $57.57 $115.14
Premium $4.59 $62.16 $124.32
Diesel $3.99 $54.07 $108.13

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 13, 2026

There is no time difference between Seminole and San Antonio. The current time is 19:36:05.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.