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

Distance from Tatum, TX to Lamar, MO

Distance

437 mi

Time

8 hours 22 mins

Gas Cost

$40 - $78

There are 358.09 miles from Tatum to Lamar in north direction and 437 miles (703.28 kilometers) by car, following the US-69 route.

Tatum and Lamar are 8 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Tatum, TX to Lamar, MO.

Tatum, TX and Lamar, MO are in the same time zone (CDT). Current time in both locations is 5:04 am.

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Lowest Price Rental Cars in Tatum, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Tatum »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 17.55 gallons of gas to cover the route between Tatum, TX and Lamar, MO.

The estimated cost of gas to go from Tatum to Lamar is $56.22.

During the route, an average car will release 343.78 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 Tatum, TX and Lamar, MO

If you want to meet halfway between Tatum, TX and Lamar, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 34.93901 and -95.732374, or 34º 56' 20.436" N, 95º 43' 56.5464" W. This location is 218.46 miles away from Tatum, TX and Lamar, MO and it would take approximately 4 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Krebs, OK, situated 220 miles from Tatum, TX and 219 miles from Lamar, MO. It would take 4 hours 16 mins to go from Tatum to Krebs and 4 hours 11 mins to go from Lamar to Krebs.