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

Distance from Smiley, TX to Dumas, MS

Distance

827 mi

Time

14 hours 37 mins

Gas Cost

$76 - $147

There are 634.73 miles from Smiley to Dumas in northeast direction and 827 miles (1,330.93 kilometers) by car, following the I-30 and US-67 route.

Smiley and Dumas are 14 hours 37 mins far apart, if you drive non-stop .

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

Smiley, TX and Dumas, MS are in the same time zone (CDT). Current time in both locations is 9:43 pm.

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Lowest Price Rental Cars in Smiley, TX

Planning on renting a car to go from Smiley, TX to Dumas, 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 33.22 gallons of gas to cover the route between Smiley, TX and Dumas, MS.

The estimated cost of gas to go from Smiley to Dumas is $106.43.

During the route, an average car will release 650.78 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 Smiley, TX and Dumas, MS

If you want to meet halfway between Smiley, TX and Dumas, MS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 33.458315 and -94.484666, or 33º 27' 29.934" N, 94º 29' 4.7976" W. This location is 413.55 miles away from Smiley, TX and Dumas, MS and it would take approximately 7 hours 18 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Boston, TX, situated 432 miles from Smiley, TX and 396 miles from Dumas, MS. It would take 7 hours 32 mins to go from Smiley to Boston and 7 hours 10 mins to go from Dumas to Boston.