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

Distance from Dewey, SD to Ada, KS

Distance

571 mi

Time

12 hours 4 mins

Gas Cost

$53 - $104

There are 439.53 miles from Dewey to Ada in southeast direction and 571 miles (918.94 kilometers) by car, following the I-80 route.

Dewey and Ada are 12 hours 4 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Ada, KS. The halfway point is Sutherland, NE.

Please note the time difference between Dewey, SD and Ada, KS is 1 hour. The current time in Dewey is 1:49 am and the current time in Ada is 2:49 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Ada, 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 22.95 gallons of gas to cover the route between Dewey, SD and Ada, KS.

The estimated cost of gas to go from Dewey to Ada is $74.86.

During the route, an average car will release 449.61 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 Ada, KS

If you want to meet halfway between Dewey, SD and Ada, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.135124 and -101.137886, or 41º 8' 6.4464" N, 101º 8' 16.3896" W. This location is 285.71 miles away from Dewey, SD and Ada, KS and it would take approximately 6 hours 2 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sutherland, NE, situated 339 miles from Dewey, SD and 333 miles from Ada, KS. It would take 6 hours 19 mins to go from Dewey to Sutherland and 5 hours 4 mins to go from Ada to Sutherland.