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

Distance from Dewey, SD to Hamilton, IL

Distance

901 mi

Time

16 hours 20 mins

Gas Cost

$84 - $163

There are 686.74 miles from Dewey to Hamilton in southeast direction and 901 miles (1,450.02 kilometers) by car, following the I-90 and US-14 route.

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

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

Please note the time difference between Dewey, SD and Hamilton, IL is 1 hour. The current time in Dewey is 7:19 am and the current time in Hamilton is 8:19 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Hamilton, 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 36.18 gallons of gas to cover the route between Dewey, SD and Hamilton, IL.

The estimated cost of gas to go from Dewey to Hamilton is $118.01.

During the route, an average car will release 708.80 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 Hamilton, IL

If you want to meet halfway between Dewey, SD and Hamilton, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.610192 and -96.793053, or 43º 36' 36.6912" N, 96º 47' 34.9908" W. This location is 450.42 miles away from Dewey, SD and Hamilton, IL 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 Buffalo Ridge, SD, situated 426 miles from Dewey, SD and 474 miles from Hamilton, IL. It would take 7 hours 37 mins to go from Dewey to Buffalo Ridge and 8 hours 47 mins to go from Hamilton to Buffalo Ridge.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Hamilton, IL is Sioux Falls, SD, situated 435 miles from Dewey, SD and 470 miles from Hamilton, IL. It would take 7 hours 48 mins to go from Dewey to Sioux Falls and 8 hours 45 mins to go from Hamilton to Sioux Falls.