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Distance from Austin, TX to Byram, MS

Distance

548 mi

Time

10 hours 8 mins

Gas Cost

$50 - $97

There are 462.16 miles from Austin to Byram in northeast direction and 548 miles (881.92 kilometers) by car, following the US-259 route.

Austin and Byram are 10 hours 8 mins far apart, if you drive non-stop .

This is the fastest route from Austin, TX to Byram, MS. The halfway point is Sulphur, LA.

Austin, TX and Byram, MS are in the same time zone (CDT). Current time in both locations is 12:01 am.

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Lowest Price Rental Cars in Austin, TX

Planning on renting a car to go from Austin, TX to Byram, MS? Here there are some offers to rent a car in Austin, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Austin »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 21.99 gallons of gas to cover the route between Austin, TX and Byram, MS.

The estimated cost of gas to go from Austin to Byram is $70.47.

During the route, an average car will release 430.89 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Austin, TX and Byram, MS

If you want to meet halfway between Austin, TX and Byram, MS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.215933 and -93.374176, or 30º 12' 57.3588" N, 93º 22' 27.0336" W. This location is 273.81 miles away from Austin, TX and Byram, MS and it would take approximately 5 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sulphur, LA, situated 295 miles from Austin, TX and 301 miles from Byram, MS. It would take 4 hours 39 mins to go from Austin to Sulphur and 4 hours 37 mins to go from Byram to Sulphur.