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

Distance from Dewey, SD to Riverton, MN

Distance

721 mi

Time

13 hours 39 mins

Gas Cost

$67 - $131

There are 527.89 miles from Dewey to Riverton in northeast direction and 721 miles (1,160.34 kilometers) by car, following the I-90 and US-14 route.

Dewey and Riverton are 13 hours 39 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Riverton, MN.

Please note the time difference between Dewey, SD and Riverton, MN is 1 hour. The current time in Dewey is 7:40 am and the current time in Riverton is 8:40 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Riverton, MN? 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 28.94 gallons of gas to cover the route between Dewey, SD and Riverton, MN.

The estimated cost of gas to go from Dewey to Riverton is $94.40.

During the route, an average car will release 566.99 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 Riverton, MN

If you want to meet halfway between Dewey, SD and Riverton, MN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.695868 and -98.318106, or 43º 41' 45.1248" N, 98º 19' 5.1816" W. This location is 360.30 miles away from Dewey, SD and Riverton, MN and it would take approximately 6 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 Mount Vernon, SD, situated 353 miles from Dewey, SD and 370 miles from Riverton, MN. It would take 6 hours 28 mins to go from Dewey to Mount Vernon and 7 hours 20 mins to go from Riverton to Mount Vernon.