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Distance from Washington, TX to Buffalo, SD

Distance

1,377 mi

Time

1 day

Gas Cost

$126 - $245

There are 1,127.28 miles from Washington to Buffalo in northwest direction and 1,377 miles (2,216.07 kilometers) by car, following the I-90 route.

Washington and Buffalo are 1 day far apart, if you drive non-stop .

This is the fastest route from Washington, TX to Buffalo, SD.

Please note the time difference between Washington, TX and Buffalo, SD is 1 hour. The current time in Washington is 3:57 pm and the current time in Buffalo is 2:57 pm.

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Lowest Price Rental Cars in Washington, TX

Planning on renting a car to go from Washington, TX to Buffalo, SD? Here there are some offers to rent a car in Washington, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Washington »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 55.32 gallons of gas to cover the route between Washington, TX and Buffalo, SD.

The estimated cost of gas to go from Washington to Buffalo is $177.23.

During the route, an average car will release 1,083.76 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 Washington, TX and Buffalo, SD

If you want to meet halfway between Washington, TX and Buffalo, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.137826 and -97.598933, or 40º 8' 16.1736" N, 97º 35' 56.1588" W. This location is 688.69 miles away from Washington, TX and Buffalo, SD and it would take approximately 12 hours 20 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hebron, NE, situated 739 miles from Washington, TX and 640 miles from Buffalo, SD. It would take 12 hours 59 mins to go from Washington to Hebron and 11 hours 47 mins to go from Buffalo to Hebron.