How far is San Marcos, TX from El Paso, TX?
The driving distance from San Marcos, TX to El Paso, TX is about 588.4 miles (946.9 km), with a travel time of about 08h 22m by car.
- The straight-line flight distance is about 523.2 miles (842 km).
- For a round trip, plan for roughly 16h 45m 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 08h 22m.
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.
City in Pecos County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between San Marcos and El Paso.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Marcos and El Paso.
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1
Start on North Guadalupe Street
1.5 km · 2 min · North Guadalupe Street
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2
Turn right onto South Interstate 35
3256 ft · 1 min · South Interstate 35
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3
Take the ramp straight toward I 35 South
932 ft · 23 sec
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4
Merge slight left onto Purple Heart Trail
15.8 mi · 17 min · Purple Heart Trail
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5
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
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6
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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7
Continue on North Pan Am Expressway
1.8 mi · 2 min · North Pan Am Expressway
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8
Take the exit slight right toward Loop 1604: Anderson Loop
726 ft · 18 sec
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9
Keep slight right to continue on Loop 1604 West: Anderson Loop
2031 ft · 50 sec
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10
Keep slight left to continue on Loop 1604 West
554 ft · 14 sec
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11
Merge slight left onto Anderson Loop
16.7 mi · 18 min · Anderson Loop
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12
Take the exit slight right toward Frontage Road
841 ft · 21 sec
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13
Turn straight onto North Loop 1604 West
1183 ft · 26 sec · North Loop 1604 West
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14
Turn right onto Interstate 10 West
1450 ft · 25 sec · Interstate 10 West
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15
Take the ramp slight left toward I 10 West, US 87 North
811 ft · 20 sec
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16
Merge slight left
1.1 mi · 1 min
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17
Keep slight right
535.3 mi · 8 hr 34 min
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18
Take the exit slight right toward Missouri Avenue, Downtown
851 ft · 21 sec
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19
Turn straight onto East Missouri Avenue
1799 ft · 49 sec · East Missouri Avenue
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20
Turn left onto North Mesa Street
1398 ft · 27 sec · North Mesa Street
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21
Arrive at your destination
0 m · 1 sec · North Mesa Street
Car Route Details
A richer read on the saved driving route between San Marcos and El Paso.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 10 West
Keep slight right
535 mi · 08h 34m
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.
Partly Sunny leaving San Marcos and Sunny near El Paso.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Marcos to El Paso?
The road trip is about 588.4 miles (946.9 km) and usually takes 08h 22m 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 293.8 miles from San Marcos and 294.5 miles from El Paso.
How much longer is the road route than the straight-line distance?
The direct path is about 523.2 miles (842 km), while the road route adds roughly 65.2 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 $78.45 one way or $156.90 round trip. Estimated CO2 is about 184.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between San Marcos and El Paso, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny around San Marcos and Sunny near El Paso.
Stop Ideas Near Iraan
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Iraan.
Sanderson
Flight Path Map
This map shows the direct air route between San Marcos and El Paso. Straight-line distance: 523.18 mi (841.98 km).
#1 San Marcos
The most populous city in Hays County, Texas.
| Population | 66,350 |
| Coordinates | 29.8832700, -97.9413900 |
| Altitude | 188 |
| Country | United States |
#2 El Paso
The twenty-third most populous city in the United States and the center of the El Paso metropolitan area.
| Population | 681,534 |
| Coordinates | 31.7587200, -106.4869300 |
| Altitude | 1133 |
| Country | United States |
End: North Mesa Street (-106.487016, 31.758664)
Estimated Travel Time
Distance: 947 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 19h 36m |
| 40 mph (64.37 km/h) | 14h 42m |
| 50 mph (80.47 km/h) | 11h 46m |
| 60 mph (96.56 km/h) | 09h 48m |
| 70 mph (112.65 km/h) | 08h 24m |
| 80 mph (129 km/h) | 07h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $78.45 | $156.90 |
| Mid-grade | $4.25 | $88.27 | $176.54 |
| Premium | $4.59 | $95.31 | $190.62 |
| Diesel | $3.99 | $82.89 | $165.79 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.