How far is San Antonio, TX from Kermit, TX?
The driving distance from San Antonio, TX to Kermit, TX is about 383.2 miles (616.7 km), with a travel time of about 06h 49m by car.
- The straight-line flight distance is about 320.9 miles (516.5 km).
- For a round trip, plan for roughly 13h 38m 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 49m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Antonio and Kermit.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Kermit.
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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 right onto North Main Avenue
1.7 mi · 3 min · North Main Avenue
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28
Continue on State Highway 18 North
20.1 mi · 30 min · State Highway 18 North
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29
Continue on South Poplar Street
1.3 mi · 2 min · South Poplar Street
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30
Turn right onto East Austin Street
51 m · 5 sec · East Austin Street
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31
Turn right
34 m · 8 sec
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32
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between San Antonio and Kermit.
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.
Mostly Cloudy leaving San Antonio and Mostly Sunny near Kermit.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Kermit?
The road trip is about 383.2 miles (616.7 km) and usually takes 06h 49m 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?
Ozona is a useful midpoint, sitting about 191.6 miles from San Antonio and 191.6 miles from Kermit.
How much longer is the road route than the straight-line distance?
The direct path is about 320.9 miles (516.5 km), while the road route adds roughly 62.3 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 $51.09 one way or $102.18 round trip. Estimated CO2 is about 120.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around San Antonio and Mostly Sunny near Kermit.
Flight Path Map
This map shows the direct air route between San Antonio and Kermit. Straight-line distance: 320.91 mi (516.45 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 Kermit
City in Texas, United States
| Population | 6,367 |
| Coordinates | 31.8576300, -103.0926700 |
| Altitude | 872 |
| Country | United States |
End: Kermit (-103.09267, 31.85763)
Estimated Travel Time
Distance: 617 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 46m |
| 40 mph (64.37 km/h) | 09h 34m |
| 50 mph (80.47 km/h) | 07h 39m |
| 60 mph (96.56 km/h) | 06h 23m |
| 70 mph (112.65 km/h) | 05h 28m |
| 80 mph (129 km/h) | 04h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $51.09 | $102.18 |
| Mid-grade | $4.25 | $57.49 | $114.97 |
| Premium | $4.59 | $62.07 | $124.14 |
| Diesel | $3.99 | $53.99 | $107.97 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.