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

Distance from Dewey, SD to Sims, AR

Distance

1,068 mi

Time

20 hours 21 mins

Gas Cost

$100 - $194

There are 825.58 miles from Dewey to Sims in southeast direction and 1,068 miles (1,718.78 kilometers) by car, following the I-80 route.

Dewey and Sims are 20 hours 21 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Sims, AR. The halfway point is Sergeant Bluff, IA.

Please note the time difference between Dewey, SD and Sims, AR is 1 hour. The current time in Dewey is 6:15 am and the current time in Sims is 7:15 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Sims, 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 42.89 gallons of gas to cover the route between Dewey, SD and Sims, AR.

The estimated cost of gas to go from Dewey to Sims is $139.89.

During the route, an average car will release 840.21 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 Sims, AR

If you want to meet halfway between Dewey, SD and Sims, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.415298 and -96.350708, or 42º 24' 55.0728" N, 96º 21' 2.5488" W. This location is 533.92 miles away from Dewey, SD and Sims, AR and it would take approximately 10 hours 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sergeant Bluff, IA, situated 524 miles from Dewey, SD and 645 miles from Sims, AR. It would take 7 hours 44 mins to go from Dewey to Sergeant Bluff and 10 hours 24 mins to go from Sims to Sergeant Bluff.