Distance between cities › USA › Texas › Smiley, TX › Distance from Smiley to San Augustine Book Hotels

Distance from Smiley, TX to San Augustine, TX

Distance

314 mi

Time

6 hours 10 mins

Gas Cost

$29 - $56

There are 262.04 miles from Smiley to San Augustine in northeast direction and 314 miles (505.33 kilometers) by car, following the TX 21 route.

Smiley and San Augustine are 6 hours 10 mins far apart, if you drive non-stop .

This is the fastest route from Smiley, TX to San Augustine, TX. The halfway point is Kurten, TX.

Smiley, TX and San Augustine, TX are in the same time zone (CDT). Current time in both locations is 9:39 pm.

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Lowest Price Rental Cars in Smiley, TX

Planning on renting a car to go from Smiley, TX to San Augustine, TX? Here there are some offers to rent a car in Smiley, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Smiley »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 12.61 gallons of gas to cover the route between Smiley, TX and San Augustine, TX.

The estimated cost of gas to go from Smiley to San Augustine is $40.42.

During the route, an average car will release 246.98 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 $3.21 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Smiley, TX and San Augustine, TX

If you want to meet halfway between Smiley, TX and San Augustine, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.830275 and -96.227692, or 30º 49' 48.99" N, 96º 13' 39.6912" W. This location is 156.95 miles away from Smiley, TX and San Augustine, TX and it would take approximately 3 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 Kurten, TX, situated 155 miles from Smiley, TX and 155 miles from San Augustine, TX. It would take 2 hours 43 mins to go from Smiley to Kurten and 2 hours 30 mins to go from San Augustine to Kurten.

Major City Closest to Halfway Point

The major city closest to the halfway point between Smiley, TX and San Augustine, TX is College Station, TX, situated 149 miles from Smiley, TX and 170 miles from San Augustine, TX. It would take 2 hours 39 mins to go from Smiley to and 2 hours 46 mins to go from San Augustine to College Station.