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

Distance from Dewey, SD to Gilson, IL

Distance

943 mi

Time

16 hours 49 mins

Gas Cost

$88 - $171

There are 731.05 miles from Dewey to Gilson in southeast direction and 943 miles (1,517.61 kilometers) by car, following the I-90 and US-14 route.

Dewey and Gilson are 16 hours 49 mins far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Gilson, IL is 1 hour. The current time in Dewey is 8:48 am and the current time in Gilson is 9:48 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Gilson, 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 37.89 gallons of gas to cover the route between Dewey, SD and Gilson, IL.

The estimated cost of gas to go from Dewey to Gilson is $123.59.

During the route, an average car will release 742.32 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 Gilson, IL

If you want to meet halfway between Dewey, SD and Gilson, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.172973 and -96.795849, or 43º 10' 22.7028" N, 96º 47' 45.0564" W. This location is 471.72 miles away from Dewey, SD and Gilson, IL and it would take approximately 8 hours 24 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Beresford, SD, situated 467 miles from Dewey, SD and 480 miles from Gilson, IL. It would take 8 hours 16 mins to go from Dewey to Beresford and 8 hours 39 mins to go from Gilson to Beresford.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Gilson, IL is Sioux Falls, SD, situated 435 miles from Dewey, SD and 513 miles from Gilson, IL. It would take 7 hours 48 mins to go from Dewey to Sioux Falls and 9 hours 14 mins to go from Gilson to Sioux Falls.