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

Distance from Smiley, TX to Diamondhead, MS

Distance

542 mi

Time

10 hours 13 mins

Gas Cost

$50 - $97

There are 501.76 miles from Smiley to Diamondhead in east direction and 542 miles (872.26 kilometers) by car, following the I-10 route.

Smiley and Diamondhead are 10 hours 13 mins far apart, if you drive non-stop .

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

Smiley, TX and Diamondhead, MS are in the same time zone (CDT). Current time in both locations is 11:16 pm.

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Lowest Price Rental Cars in Smiley, TX

Planning on renting a car to go from Smiley, TX to Diamondhead, 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 21.78 gallons of gas to cover the route between Smiley, TX and Diamondhead, MS.

The estimated cost of gas to go from Smiley to Diamondhead is $69.80.

During the route, an average car will release 426.81 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 Diamondhead, MS

If you want to meet halfway between Smiley, TX and Diamondhead, MS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.136505 and -93.680197, or 30º 8' 11.418" N, 93º 40' 48.7092" W. This location is 271.22 miles away from Smiley, TX and Diamondhead, MS and it would take approximately 5 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Orange, TX, situated 270 miles from Smiley, TX and 274 miles from Diamondhead, MS. It would take 5 hours 12 mins to go from Smiley to Orange and 5 hours 10 mins to go from Diamondhead to Orange.

Major City Closest to Halfway Point

The major city closest to the halfway point between Smiley, TX and Diamondhead, MS is Beaumont, TX, situated 244 miles from Smiley, TX and 299 miles from Diamondhead, MS. It would take 4 hours 43 mins to go from Smiley to Beaumont and 5 hours 34 mins to go from Diamondhead to Beaumont.