How far is San Antonio, TX from Odessa, TX?
The driving distance from San Antonio, TX to Odessa, TX is about 340.3 miles (547.6 km), with a travel time of about 05h 55m by car.
- The straight-line flight distance is about 284.7 miles (458.1 km).
- For a round trip, plan for roughly 11h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 05h 55m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
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.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between San Antonio and Odessa.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Odessa.
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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 · 17 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
52 mi · 1 hr 1 min
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18
Arrive at your destination
0 m · 1 sec · North Grant Avenue
Car Route Details
A richer read on the saved driving route between San Antonio and Odessa.
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.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Partly Sunny leaving San Antonio and Partly Sunny near Odessa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Odessa?
The road trip is about 340.3 miles (547.6 km) and usually takes 05h 55m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Sonora is a useful midpoint, sitting about 170.1 miles from San Antonio and 170.1 miles from Odessa.
How much longer is the road route than the straight-line distance?
The direct path is about 284.7 miles (458.1 km), while the road route adds roughly 55.6 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 5:10 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.39 one way or $90.77 round trip. Estimated CO2 is about 106.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around San Antonio and Partly Sunny near Odessa.
Flight Path Map
This map shows the direct air route between San Antonio and Odessa. Straight-line distance: 284.63 mi (458.07 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 Odessa
The second most populous city in Ector County, Texas.
| Population | 125,413 |
| Coordinates | 31.8456800, -102.3676400 |
| Altitude | 884 |
| Country | United States |
End: Odessa (-102.36764, 31.84568)
Estimated Travel Time
Distance: 548 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 20m |
| 40 mph (64.37 km/h) | 08h 30m |
| 50 mph (80.47 km/h) | 06h 48m |
| 60 mph (96.56 km/h) | 05h 40m |
| 70 mph (112.65 km/h) | 04h 51m |
| 80 mph (129 km/h) | 04h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $45.39 | $90.77 |
| Mid-grade | $4.25 | $51.07 | $102.13 |
| Premium | $4.59 | $55.14 | $110.28 |
| Diesel | $3.99 | $47.96 | $95.91 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.