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

Distance from Dewey, SD to Malvern, AR

Distance

1,131 mi

Time

21 hours 32 mins

Gas Cost

$105 - $205

There are 873.25 miles from Dewey to Malvern in southeast direction and 1,131 miles (1,820.17 kilometers) by car, following the I-80 route.

Dewey and Malvern are 21 hours 32 mins far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Malvern, AR is 1 hour. The current time in Dewey is 4:38 am and the current time in Malvern is 5:38 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Malvern, 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 45.41 gallons of gas to cover the route between Dewey, SD and Malvern, AR.

The estimated cost of gas to go from Dewey to Malvern is $148.13.

During the route, an average car will release 889.69 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 Malvern, AR

If you want to meet halfway between Dewey, SD and Malvern, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.425793 and -98.023787, or 39º 25' 32.8548" N, 98º 1' 25.6332" W. This location is 565.37 miles away from Dewey, SD and Malvern, AR and it would take approximately 10 hours 46 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 590 miles from Malvern, AR. It would take 10 hours 50 mins to go from Dewey to Beloit and 10 hours 46 mins to go from Malvern to Beloit.