Distance between Dallas, TX and San Antonio, TX

Distance from Dallas, TX to San Antonio, TX

Distance

273 mi

Time

4 hours 11 mins

Gas Cost

$24 - $47

There are 252.44 miles from Dallas to San Antonio in southwest direction and 273 miles (439.35 kilometers) by car, following the I-35 S and US-290 route.

Dallas and San Antonio are 4 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Dallas, TX to San Antonio, TX. The halfway point is Salado, TX.

Dallas, TX and San Antonio, TX are in the same time zone (CDT). Current time in both locations is 11:39 pm.

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Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 10.98 gallons of gas to cover the route between Dallas, TX and San Antonio, TX.

The estimated cost of gas to go from Dallas to San Antonio is $34.24.

During the route, an average car will release 215.12 pounds of CO2 to the atmosphere. The carbon footprint would be 0.79 pounds of CO2 per mile.

  • Average USA gas price used for calculation is $3.12 per gallon of regular gas. Price last updated on May 29, 2024.
  • Read more about our CO2 calculation.

Best Hotels In or Near San Antonio, TX

Do you have where to stay when you arrive to San Antonio, TX? Check out our hotel recommendations:


Halfway Point Between Dallas, TX and San Antonio, TX

If you want to meet halfway between Dallas, TX and San Antonio, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.927238 and -97.548737, or 30º 55' 38.0568" N, 97º 32' 55.4532" W. This location is 136.70 miles away from Dallas, TX and San Antonio, TX and it would take approximately 2 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Salado, TX, situated 144 miles from Dallas, TX and 146 miles from San Antonio, TX. It would take 2 hours 17 mins to go from Dallas to Salado and 1 hour 59 mins to go from San Antonio to Salado.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dallas, TX and San Antonio, TX is Killeen, TX, situated 152 miles from Dallas, TX and 162 miles from San Antonio, TX. It would take 2 hours 31 mins to go from Dallas to and 2 hours 24 mins to go from San Antonio to Killeen.

Major Cities Along the Route

Some other major cities along the route include Waco, TX, and Round Rock, TX.


Weather in Dallas and San Antonio

Compare the weather today and the next four days in Dallas, TX and San Antonio, TX:

Dallas

Wed
May 29
Thu
May 30
Fri
May 31
Sat
Jun 1
Sun
Jun 2
31° 21° 30° 21° 28° 19° 29° 21° 30° 20°
63% Rain probability 100% Rain probability 100% Rain probability 100% Rain probability 100% Rain probability
5 172 degrees 6 131 degrees 8 231 degrees 11 262 degrees 4 223 degrees

San Antonio

Wed
May 29
Thu
May 30
Fri
May 31
Sat
Jun 1
Sun
Jun 2
36° 23° 38° 24° 36° 24° 38° 24° 40° 25°
100% Rain probability 100% Rain probability 80% Rain probability 100% Rain probability 35% Rain probability
7 117 degrees 9 137 degrees 9 134 degrees 9 138 degrees 9 130 degrees

Lowest Price Rental Cars in Dallas, TX

Planning on renting a car to go from Dallas, TX to San Antonio, TX? Here there are some offers to rent a car in or near Dallas, TX:

Small

Small cars

From $14

Intermediate

Intermediate cars

From $18

Full-size

Full-size cars

From $24

SUVs

SUVs

From $28

Vans

Vans

From $40


Compare rental car prices in Dallas »

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Dallas, TX and San Antonio, TX in this table:

Distance type Miles Kilometers Nautical miles
Straight line distance 252.44 mi 406.26 km 219.37 nautical mi
Driving distance 273 mi 440.01 km 237.58 nautical mi