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

Distance from Smiley, TX to Lamar, MS

Distance

781 mi

Time

13 hours 42 mins

Gas Cost

$71 - $139

There are 623.62 miles from Smiley to Lamar in northeast direction and 781 miles (1,256.90 kilometers) by car, following the I-30 and US-67 route.

Smiley and Lamar are 13 hours 42 mins far apart, if you drive non-stop .

This is the fastest route from Smiley, TX to Lamar, MS.

Smiley, 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 Smiley, TX

Planning on renting a car to go from Smiley, TX to Lamar, MS? 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 31.36 gallons of gas to cover the route between Smiley, TX and Lamar, MS.

The estimated cost of gas to go from Smiley to Lamar is $100.47.

During the route, an average car will release 614.34 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 Smiley, TX and Lamar, MS

If you want to meet halfway between Smiley, 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 33.284514 and -94.790774, or 33º 17' 4.2504" N, 94º 47' 26.7864" W. This location is 390.39 miles away from Smiley, TX and Lamar, MS and it would take approximately 6 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Omaha, TX, situated 407 miles from Smiley, TX and 381 miles from Lamar, MS. It would take 7 hours 11 mins to go from Smiley to Omaha and 6 hours 48 mins to go from Lamar to Omaha.