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

Distance from Gary, TX to Dumas, TX

Distance

577 mi

Time

10 hours 32 mins

Gas Cost

$53 - $103

There are 509.60 miles from Gary to Dumas in northwest direction and 577 miles (928.59 kilometers) by car, following the I-20 route.

Gary and Dumas are 10 hours 32 mins far apart, if you drive non-stop .

This is the fastest route from Gary, TX to Dumas, TX. The halfway point is Henrietta, TX.

Gary, TX and Dumas, TX are in the same time zone (CDT). Current time in both locations is 8:17 pm.

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Lowest Price Rental Cars in Gary, TX

Planning on renting a car to go from Gary, TX to Dumas, TX? Here there are some offers to rent a car in Gary, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Gary »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 23.16 gallons of gas to cover the route between Gary, TX and Dumas, TX.

The estimated cost of gas to go from Gary to Dumas is $74.24.

During the route, an average car will release 453.66 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 $3.21 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Gary, TX and Dumas, TX

If you want to meet halfway between Gary, TX and Dumas, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 33.833874 and -98.275185, or 33º 50' 1.9464" N, 98º 16' 30.666" W. This location is 288.29 miles away from Gary, TX and Dumas, TX and it would take approximately 5 hours 16 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Henrietta, TX, situated 289 miles from Gary, TX and 291 miles from Dumas, TX. It would take 5 hours 3 mins to go from Gary to Henrietta and 5 hours 14 mins to go from Dumas to Henrietta.

Major City Closest to Halfway Point

The major city closest to the halfway point between Gary, TX and Dumas, TX is Wichita Falls, TX, situated 308 miles from Gary, TX and 271 miles from Dumas, TX. It would take 5 hours 24 mins to go from Gary to and 4 hours 53 mins to go from Dumas to Wichita Falls.