Distance between cities › USA › South Dakota › Dewey, SD › Distance from Dewey to Altheimer Book Hotels

Distance from Dewey, SD to Altheimer, AR

Distance

1,192 mi

Time

22 hours 11 mins

Gas Cost

$111 - $216

There are 911.75 miles from Dewey to Altheimer in southeast direction and 1,192 miles (1,918.34 kilometers) by car, following the I-40 route.

Dewey and Altheimer are 22 hours 11 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Altheimer, AR.

Please note the time difference between Dewey, SD and Altheimer, AR is 1 hour. The current time in Dewey is 1:46 am and the current time in Altheimer is 2:46 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Altheimer, AR? Here there are some offers to rent a car in Dewey, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dewey »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 47.88 gallons of gas to cover the route between Dewey, SD and Altheimer, AR.

The estimated cost of gas to go from Dewey to Altheimer is $156.20.

During the route, an average car will release 938.15 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Dewey, SD and Altheimer, AR

If you want to meet halfway between Dewey, SD and Altheimer, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.218007 and -97.668539, or 39º 13' 4.8252" N, 97º 40' 6.7404" W. This location is 596.16 miles away from Dewey, SD and Altheimer, AR and it would take approximately 11 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Delphos, KS, situated 578 miles from Dewey, SD and 625 miles from Altheimer, AR. It would take 11 hours 36 mins to go from Dewey to Delphos and 10 hours 57 mins to go from Altheimer to Delphos.