Distance between San Antonio TX and Dallas TX
The distance from San Antonio to Dallas is 273 miles by road including 272 miles on motorways. Road takes approximately 4 hours and 15 minutes and goes through Austin, Round Rock, Waco, New Braunfels, San Marcos, Kyle and Georgetown.
| Shortest distance by air | 252 mi ✈️ |
| Car route length | 273.4 mi 🚗 |
| Driving time | 4 h 15 min |
| Fuel amount | 9.3 gal |
| Fuel cost | 37 USD |
| Point | Distance | Time | Fuel | |
| San Antonio | 0 mi | 00 min | 0.0 gal | |
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I 35 33 mi, 31 min
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| New Braunfels | 33 mi | 31 min | 0.8 gal | |
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I 35 17 mi, 14 min
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| San Marcos | 50 mi | 45 min | 1.6 gal | |
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I 35 7 mi, 05 min
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| Kyle | 56 mi | 51 min | 1.8 gal | |
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I 35 25 mi, 22 min
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| Austin | 81 mi | 1 h 13 min | 2.3 gal | |
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I 35 17 mi, 15 min
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| Round Rock | 98 mi | 1 h 29 min | 3.2 gal | |
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I 35 9 mi, 07 min
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| Georgetown | 107 mi | 1 h 37 min | 3.4 gal | |
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I 35 11 mi, 09 min
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| Jarrell | 118 mi | 1 h 47 min | 3.9 gal | |
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I 35 60 mi, 55 min
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| Waco | 178 mi | 2 h 42 min | 5.9 gal | |
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I 35 I 35E 95 mi, 1 h 32 min
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| Dallas | 273 mi | 4 h 15 min | 8.9 gal | |
Frequently Asked Questions
How much does it cost to drive from San Antonio to Dallas?
Fuel cost: 37 USD
This fuel cost is calculated as: (Route length 273.4 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 3.98 USD / gal)
You can adjust fuel consumption and fuel price here.
How long is a car ride from San Antonio to Dallas?
Driving time: 4 h 15 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 171 mi with a maximum speed 68 mph = 2 h 31 min
- 25 mi with a maximum speed 65 mph = 23 min
- 27 mi with a maximum speed 62 mph = 26 min
- 28 mi with a maximum speed 60 mph = 27 min
- 21 mi with a maximum speed 50 mph = 25 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is San Antonio to Dallas by land?
The distance between San Antonio and Dallas is 273.4 mi by road including 271.5 mi on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of San Antonio and Dallas respectively.
How far is San Antonio to Dallas by plane?
The shortest distance (air line, as the crow flies) between San Antonio and Dallas is 252.3 mi.
This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of San Antonio and Dallas respectively. Actual distance between airports may be different.
How many hours is San Antonio from Dallas by plane?
Boeing 737 airliner needs 30 min to cover the distance of 252 mi at a cruising speed of 497 mph.
Small plane "Cessna 172" needs 1 h 50 min to flight this distance at average speed of 136 mph.
This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.
How long is a helicopter ride from San Antonio to Dallas?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 1 h 41 min to cover the distance of 252 mi at a cruising speed of 149 mph.
Popular "Robinson R44" needs 1 h 56 min to flight this distance at average speed of 130 mph.
This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.
What city is halfway between San Antonio and Dallas?
The halfway point between San Antonio and Dallas is Belton. It is located about 2 mi from the exact midpoint by road.
The distance from Belton to San Antonio is 134 mi and driving will take about 2 h 1 min. The road between Belton and Dallas has length 139 mi and will take approximately 2 h 13 min.
The other cities located close to halfway point:
Where is San Antonio in relation to Dallas?
San Antonio is located 252 mi south-west of Dallas.
San Antonio has geographic coordinates: latitude 29.4246, longitude -98.49514. Click here to see San Antonio on map.
Dallas has geographic coordinates: latitude 32.77626, longitude -96.79686. Click here to see Dallas on map.
Which highway goes from San Antonio to Dallas?
The route from San Antonio to Dallas follows I 35.
Other minor sections pass along the road:
- I 35E: 57 mi
- US 77: 35 mi
- US 290: 7 mi
- US 190: 5 mi
- I 410: 2 mi
