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

Distance from Dewey, SD to Aviston, IL

Distance

1,021 mi

Time

19 hours 25 mins

Gas Cost

$95 - $185

There are 823.77 miles from Dewey to Aviston in southeast direction and 1,021 miles (1,643.14 kilometers) by car, following the I-80 route.

Dewey and Aviston are 19 hours 25 mins far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Aviston, IL.

Please note the time difference between Dewey, SD and Aviston, IL is 1 hour. The current time in Dewey is 5:14 am and the current time in Aviston is 6:14 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Aviston, IL? 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 41.01 gallons of gas to cover the route between Dewey, SD and Aviston, IL.

The estimated cost of gas to go from Dewey to Aviston is $133.76.

During the route, an average car will release 803.40 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 Aviston, IL

If you want to meet halfway between Dewey, SD and Aviston, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.822324 and -97.259197, or 40º 49' 20.3664" N, 97º 15' 33.1092" W. This location is 510.53 miles away from Dewey, SD and Aviston, IL and it would take approximately 9 hours 42 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Goehner, NE, situated 512 miles from Dewey, SD and 511 miles from Aviston, IL. It would take 9 hours 49 mins to go from Dewey to Goehner and 9 hours 40 mins to go from Aviston to Goehner.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Aviston, IL is Lincoln, NE, situated 541 miles from Dewey, SD and 481 miles from Aviston, IL. It would take 10 hours 26 mins to go from Dewey to Lincoln and 9 hours 12 mins to go from Aviston to Lincoln.