Distance between cities › USA › Texas › Keller, TX › Distance from Keller to Lamar Book Hotels

Distance from Keller, TX to Lamar, MS

Distance

534 mi

Time

9 hours 31 mins

Gas Cost

$49 - $95

There are 473.66 miles from Keller to Lamar in northeast direction and 534 miles (859.39 kilometers) by car, following the I-30 and US-67 route.

Keller and Lamar are 9 hours 31 mins far apart, if you drive non-stop .

This is the fastest route from Keller, TX to Lamar, MS. The halfway point is Gurdon, AR.

Keller, TX and Lamar, MS are in the same time zone (CDT). Current time in both locations is 8:01 pm.

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Lowest Price Rental Cars in Keller, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Keller »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 21.45 gallons of gas to cover the route between Keller, TX and Lamar, MS.

The estimated cost of gas to go from Keller to Lamar is $68.72.

During the route, an average car will release 420.24 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 Keller, TX and Lamar, MS

If you want to meet halfway between Keller, TX and Lamar, MS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 33.986191 and -93.210236, or 33º 59' 10.2876" N, 93º 12' 36.8496" W. This location is 267.05 miles away from Keller, TX and Lamar, MS and it would take approximately 4 hours 45 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Gurdon, AR, situated 270 miles from Keller, TX and 271 miles from Lamar, MS. It would take 4 hours 34 mins to go from Keller to Gurdon and 4 hours 19 mins to go from Lamar to Gurdon.