How far is San Antonio, TX from Monahans, TX?
The driving distance from San Antonio, TX to Monahans, TX is about 360.1 miles (579.5 km), with a travel time of about 06h 14m by car.
- The straight-line flight distance is about 301.7 miles (485.6 km).
- For a round trip, plan for roughly 12h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 06h 14m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Antonio and Monahans.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Monahans.
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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
1.3 km · 2 min · Navarro Street
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4
Enter the roundabout and take exit 2 toward San Pedro Avenue
26 m · 2 sec · San Pedro Avenue
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5
Exit the roundabout onto San Pedro Avenue
2891 ft · 1 min · San Pedro Avenue
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6
Turn left onto West Cypress Street
604 ft · 10 sec · West Cypress Street
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7
Turn straight onto East Fredericksburg Road
1.2 mi · 2 min · East Fredericksburg Road
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8
Turn right onto Interstate 10 West
657 ft · 13 sec · Interstate 10 West
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9
Take the ramp slight left toward I 10 West, US 87 North
553 ft · 14 sec
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10
Merge slight left onto McDermott Freeway
12.8 mi · 15 min · McDermott Freeway
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11
Keep slight right
247.5 mi · 3 hr 57 min
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12
Take the exit slight right toward US 190, FM 305: Iraan, McCamey
1195 ft · 29 sec
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13
Continue on I 10 Service Road
656 ft · 19 sec · I 10 Service Road
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14
Turn right
4 mi · 6 min
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15
Turn left onto Farm to Market Road 305
18.1 mi · 27 min · Farm to Market Road 305
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16
Continue on South Burleson Avenue
2.3 mi · 3 min · South Burleson Avenue
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17
Continue straight
20.1 mi · 23 min
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18
Turn left onto West 6th Street
5.8 mi · 9 min · West 6th Street
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19
Turn right
25.4 mi · 25 min
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20
Turn left onto Interstate Highway 20 Service Drive
684 ft · 19 sec · Interstate Highway 20 Service Drive
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21
Continue on East Interstate 20 State Route North
1611 ft · 44 sec · East Interstate 20 State Route North
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22
Take the ramp slight left toward I 20 West: El Paso
656 ft · 16 sec
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23
Merge slight left
16.8 mi · 16 min
-
24
Take the exit slight right toward I 20 Business West: Monahans
665 ft · 11 sec
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25
Continue on East Sealy Avenue
707 ft · 12 sec · East Sealy Avenue
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26
Continue on East Interstate 20
3 mi · 5 min · East Interstate 20
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27
Turn left onto South Main Avenue
54 m · 9 sec · South Main Avenue
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28
Turn left
32 m · 8 sec
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29
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between San Antonio and Monahans.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
McDermott Freeway
Keep slight right
247 mi · 03h 57m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Patchy Fog then Mostly Sunny leaving San Antonio and Clear near Monahans.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Monahans?
The road trip is about 360.1 miles (579.5 km) and usually takes 06h 14m 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?
Sonora is a useful midpoint, sitting about 180 miles from San Antonio and 180.1 miles from Monahans.
How much longer is the road route than the straight-line distance?
The direct path is about 301.7 miles (485.6 km), while the road route adds roughly 58.4 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 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 $48.03 one way or $96.06 round trip. Estimated CO2 is about 113 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog then Mostly Sunny around San Antonio and Clear near Monahans.
Flight Path Map
This map shows the direct air route between San Antonio and Monahans. Straight-line distance: 301.71 mi (485.56 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 Monahans
City in Texas, USA
| Population | 7,857 |
| Coordinates | 31.5943000, -102.8926500 |
| Altitude | 799 |
| Country | United States |
End: Monahans (-102.89265, 31.5943)
Estimated Travel Time
Distance: 580 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 59m |
| 40 mph (64.37 km/h) | 09h 00m |
| 50 mph (80.47 km/h) | 07h 12m |
| 60 mph (96.56 km/h) | 06h 00m |
| 70 mph (112.65 km/h) | 05h 08m |
| 80 mph (129 km/h) | 04h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $48.03 | $96.06 |
| Mid-grade | $4.25 | $54.04 | $108.09 |
| Premium | $4.59 | $58.35 | $116.70 |
| Diesel | $3.99 | $50.75 | $101.50 |
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 28, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.