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

Distance from Dewey, SD to Opolis, KS

Distance

865 mi

Time

16 hours 20 mins

Gas Cost

$81 - $157

There are 653.57 miles from Dewey to Opolis in southeast direction and 865 miles (1,392.08 kilometers) by car, following the I-80 route.

Dewey and Opolis are 16 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Opolis, KS.

Please note the time difference between Dewey, SD and Opolis, KS is 1 hour. The current time in Dewey is 4:34 am and the current time in Opolis is 5:34 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Opolis, KS? 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 34.74 gallons of gas to cover the route between Dewey, SD and Opolis, KS.

The estimated cost of gas to go from Dewey to Opolis is $113.31.

During the route, an average car will release 680.55 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 Opolis, KS

If you want to meet halfway between Dewey, SD and Opolis, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.693606 and -98.883732, or 40º 41' 36.9816" N, 98º 53' 1.4352" W. This location is 432.47 miles away from Dewey, SD and Opolis, KS and it would take approximately 8 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 Gibbon, NE, situated 426 miles from Dewey, SD and 445 miles from Opolis, KS. It would take 8 hours 25 mins to go from Dewey to Gibbon and 8 hours 7 mins to go from Opolis to Gibbon.