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

The driving distance from San Antonio, TX to Seminole, TX is about 387.1 miles (622.9 km), with a travel time of about 06h 47m by car.

  • The straight-line flight distance is about 334.9 miles (538.9 km).
  • For a round trip, plan for roughly 13h 34m 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
387.04 mi
06h 47m
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 San Antonio.

Flight Distance

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

Driving Distance

Road route
387.04 mi
Kilometers
622.88 km
Drive Time
06h 47m

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 47m.

Arrival Snapshot
Arrive in Seminole
Wed, May 13, 3:01 AM CDT
Return by in San Antonio
Wed, May 13, 9:48 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-05-12T20:14
Arrive Seminole
Wed, May 13, 3:01 AM CDT
Route Timing
06h 47m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
12:47 PM to 2:17 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
10:26 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in San Antonio
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 San Antonio
193.6 mi
03h 23m
To Seminole
193.4 mi
03h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
86°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 mph NE
Destination
95°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 to 10 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Dolorosa Street

    44 m · 5 sec · Dolorosa Street

  2. 2

    Continue on West Market Street

    1042 ft · 28 sec · West Market Street

  3. 3

    Turn left onto Navarro Street

    1.3 km · 2 min · Navarro Street

  4. 4

    Enter the roundabout and take exit 2 toward San Pedro Avenue

    26 m · 2 sec · San Pedro Avenue

  5. 5

    Exit the roundabout onto San Pedro Avenue

    2891 ft · 1 min · San Pedro Avenue

  6. 6

    Turn left onto West Cypress Street

    604 ft · 10 sec · West Cypress Street

  7. 7

    Turn straight onto East Fredericksburg Road

    1.2 mi · 2 min · East Fredericksburg Road

  8. 8

    Turn right onto Interstate 10 West

    657 ft · 13 sec · Interstate 10 West

  9. 9

    Take the ramp slight left toward I 10 West, US 87 North

    553 ft · 14 sec

  10. 10

    Merge slight left onto McDermott Freeway

    12.8 mi · 15 min · McDermott Freeway

  11. 11

    Keep slight right

    98.7 mi · 1 hr 37 min

  12. 12

    Take the exit slight right toward US 83 North, US 377: Junction, Menard

    1665 ft · 44 sec

  13. 13

    Turn right onto North Main Street

    29.3 mi · 31 min · North Main Street

  14. 14

    Continue on Frisco Avenue

    21.5 mi · 23 min · Frisco Avenue

  15. 15

    Turn left onto West Broadway Street

    39.2 mi · 40 min · West Broadway Street

  16. 16

    Continue on South Bryant Boulevard

    4.1 mi · 6 min · South Bryant Boulevard

  17. 17

    Continue on South Koenigheim Street

    1.4 mi · 2 min · South Koenigheim Street

  18. 18

    Continue on North Bryant Boulevard

    4.3 mi · 6 min · North Bryant Boulevard

  19. 19

    Continue on US Highway 87 North

    23.2 mi · 24 min · US Highway 87 North

  20. 20

    Continue straight

    15.8 mi · 17 min

  21. 21

    Turn straight onto US Highway 87 North

    52 mi · 52 min · US Highway 87 North

  22. 22

    Continue on North US Highway 87

    15.2 mi · 15 min · North US Highway 87

  23. 23

    Continue on William Crooker Highway

    4.3 mi · 4 min · William Crooker Highway

  24. 24

    Continue on South US Highway 87

    18.1 mi · 18 min · South US Highway 87

  25. 25

    Continue on South Dallas Avenue

    1.3 mi · 2 min · South Dallas Avenue

  26. 26

    Continue on South Lynn Avenue

    1.2 mi · 1 min · South Lynn Avenue

  27. 27

    Turn left onto North 4th Street

    1.1 km · 53 sec · North 4th Street

  28. 28

    Continue on Seminole Road

    1.6 mi · 2 min · Seminole Road

  29. 29

    Continue on West US Highway 180

    38.7 mi · 44 min · West US Highway 180

  30. 30

    Arrive at your destination

    0 m · 1 sec · East Avenue A

Car Route Details

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

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
30 steps
10 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
7.8 / 100 mi
Decision points by distance
Main Roads
McDermott Freeway
112 mi · 29%
US Highway 87 North
91.1 mi · 24%
West Broadway Street
39.2 mi · 10%
West US Highway 180
38.7 mi · 10%
North Main Street
29.3 mi · 8%
Frisco Avenue
21.5 mi · 6%
Longest Stretch

McDermott Freeway

Keep slight right

98.7 mi · 01h 37m

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 47m
Overnight route
Same-Day Return
13h 34m
Round-trip wheel time
Road vs Air
+52.2 mi
334.9 mi direct line
Halfway Stop
San Angelo
03h 23m from San Antonio
Leave By
10:26 PM CDT
Overnight-style route
Weather Watch

Mostly Sunny leaving San Antonio and Sunny near Seminole.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 387.1 miles (622.9 km) and usually takes 06h 47m 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 San Antonio and 193.4 miles from Seminole.

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 52.2 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 $51.62 one way or $103.24 round trip. Estimated CO2 is about 121.4 kg one way.

What should you check before leaving?

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

Flight Path Map

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

San Antonio

#1 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
Seminole

#2 Seminole

City in Texas, USA

Population7,952
Coordinates32.7189900, -102.6449100
Altitude1005
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Seminole (-102.64491, 32.71899)

Estimated Travel Time

Distance: 623 km by road

SpeedTime
30 mph (48.3 km/h)12h 53m
40 mph (64.37 km/h)09h 40m
50 mph (80.47 km/h)07h 44m
60 mph (96.56 km/h)06h 27m
70 mph (112.65 km/h)05h 31m
80 mph (129 km/h)04h 49m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.66 gal
51.7 L · about $51.62
Round trip
$103.24
27.32 gal · 103.4 L
Estimated CO2
121.4 kg one way
Round trip: 242.8 kg / 535 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $51.62 $103.24
Mid-grade $4.25 $58.08 $116.16
Premium $4.59 $62.71 $125.43
Diesel $3.99 $54.54 $109.09

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 San Antonio and Seminole. The current time is 20:14:01.

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.