How far is San Antonio, TX from Horizon City, TX?

The driving distance from San Antonio, TX to Horizon City, TX is about 536.8 miles (863.9 km), with a travel time of about 08h 39m by car.

  • The straight-line flight distance is about 484.9 miles (780.3 km).
  • For a round trip, plan for roughly 17h 19m 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
536.78 mi
08h 39m
Flight
484.84 mi
780.27 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
484.84 mi
Kilometers
780.27 km
Flight Time
00h 58m

Driving Distance

Road route
536.78 mi
Kilometers
863.86 km
Drive Time
08h 39m

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 08h 39m.

Arrival Snapshot
Arrive in Horizon City
Wed, Jun 3, 6:11 AM MDT
Return by in San Antonio
Wed, Jun 3, 3:51 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-06-02T22:31
Arrive Horizon City
Wed, Jun 3, 7:11 AM CDT
Route Timing
08h 39m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
1:40 PM to 3:10 PM MDT

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

Leave by
6:40 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
Iraan
TX

City in Pecos County, Texas, United States

From San Antonio
268.1 mi
04h 19m
To Horizon City
268.6 mi
04h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
91°F
Tuesday

Mostly Sunny

Starts
Tue, Jun 2 6:00 AM CDT
Wind
0 to 10 mph ESE
Destination
96°F
Tuesday

Sunny

Starts
Tue, Jun 2 6:00 AM MDT
Wind
7 to 10 mph SSE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between San Antonio and Horizon City.

  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

    516.7 mi · 8 hr 11 min

  12. 12

    Take the exit slight right toward FM 1281: Horizon City, Socorro

    977 ft · 24 sec

  13. 13

    Continue on Gateway Boulevard West

    1075 ft · 22 sec · Gateway Boulevard West

  14. 14

    Keep slight right to continue on Gateway Boulevard West

    1181 ft · 28 sec · Gateway Boulevard West

  15. 15

    Turn right onto Horizon Boulevard

    2.4 mi · 4 min · Horizon Boulevard

  16. 16

    Turn left onto Ashford Street

    570 ft · 20 sec · Ashford Street

  17. 17

    Turn right onto Alderwood Manor Drive

    1.2 km · 2 min · Alderwood Manor Drive

  18. 18

    Turn left onto Darrington Road

    780 ft · 18 sec · Darrington Road

  19. 19

    Turn right onto Jasper Drive

    20 m · 3 sec · Jasper Drive

  20. 20

    Arrive at your destination

    0 m · 1 sec · Jasper Drive

Car Route Details

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

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
20 steps
11 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
3.7 / 100 mi
Decision points by distance
Main Roads
McDermott Freeway
530 mi · 99%
Horizon Boulevard
2.42 mi
East Fredericksburg Road
1.25 mi
Navarro Street
0.84 mi
Alderwood Manor Drive
0.74 mi
San Pedro Avenue
0.56 mi
Longest Stretch

McDermott Freeway

Keep slight right

517 mi · 08h 11m

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
08h 39m
Overnight route
Same-Day Return
17h 20m
Round-trip wheel time
Road vs Air
+51.9 mi
484.9 mi direct line
Halfway Stop
Iraan
04h 19m from San Antonio
Leave By
6:40 PM CDT
Overnight-style route
Weather Watch

Mostly Sunny leaving San Antonio and Sunny near Horizon City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Antonio to Horizon City?

The road trip is about 536.8 miles (863.9 km) and usually takes 08h 39m 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?

Iraan is a useful midpoint, sitting about 268.1 miles from San Antonio and 268.6 miles from Horizon City.

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

The direct path is about 484.9 miles (780.3 km), while the road route adds roughly 51.9 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 $71.57 one way or $143.15 round trip. Estimated CO2 is about 168.3 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between San Antonio and Horizon City, so arrival and return times should be read in local time.

What should you check before leaving?

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

Stop Ideas Near Iraan

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Iraan, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Iraan.

RAIL

Sanderson

99 mi away
201 West Downey Street

Flight Path Map

This map shows the direct air route between San Antonio and Horizon City. Straight-line distance: 484.84 mi (780.27 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
Horizon City

#2 Horizon City

City in El Paso County, Texas, United States

Population19,642
Coordinates31.6926100, -106.2074800
Altitude1226
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Horizon City (-106.20748, 31.69261)

Estimated Travel Time

Distance: 864 km by road

SpeedTime
30 mph (48.3 km/h)17h 53m
40 mph (64.37 km/h)13h 25m
50 mph (80.47 km/h)10h 44m
60 mph (96.56 km/h)08h 56m
70 mph (112.65 km/h)07h 40m
80 mph (129 km/h)06h 41m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
18.94 gal
71.7 L · about $71.57
Round trip
$143.15
37.88 gal · 143.4 L
Estimated CO2
168.3 kg one way
Round trip: 336.6 kg / 742 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $71.57 $143.15
Mid-grade $4.25 $80.53 $161.07
Premium $4.59 $86.95 $173.91
Diesel $3.99 $75.63 $151.25

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 · Jun 03, 2026

Please keep in mind that there is a 1 hour time gap between San Antonio, TX and Horizon City, TX. The current time in San Antonio is 22:31:41, although it is 21:31:41 in Horizon City.

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.