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

Distance from Dewey, SD to Ashdown, AR

Distance

1,135 mi

Time

21 hours 38 mins

Gas Cost

$106 - $206

There are 864.73 miles from Dewey to Ashdown in southeast direction and 1,135 miles (1,826.61 kilometers) by car, following the I-80 route.

Dewey and Ashdown are 21 hours 38 mins far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Ashdown, AR is 1 hour. The current time in Dewey is 3:04 am and the current time in Ashdown is 4:04 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Ashdown, 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 45.59 gallons of gas to cover the route between Dewey, SD and Ashdown, AR.

The estimated cost of gas to go from Dewey to Ashdown is $148.73.

During the route, an average car will release 893.27 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 Ashdown, AR

If you want to meet halfway between Dewey, SD and Ashdown, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.475291 and -98.099507, or 39º 28' 31.0476" N, 98º 5' 58.2252" W. This location is 567.64 miles away from Dewey, SD and Ashdown, AR and it would take approximately 10 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Beloit, KS, situated 542 miles from Dewey, SD and 595 miles from Ashdown, AR. It would take 10 hours 50 mins to go from Dewey to Beloit and 10 hours 52 mins to go from Ashdown to Beloit.