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

Distance from Dewey, SD to Harvard, IL

Distance

926 mi

Time

16 hours 44 mins

Gas Cost

$86 - $168

There are 782.48 miles from Dewey to Harvard in east direction and 926 miles (1,490.25 kilometers) by car, following the I-90 and US-14 route.

Dewey and Harvard are 16 hours 44 mins far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Harvard, IL is 1 hour. The current time in Dewey is 12:58 pm and the current time in Harvard is 1:58 pm.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Harvard, 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 37.20 gallons of gas to cover the route between Dewey, SD and Harvard, IL.

The estimated cost of gas to go from Dewey to Harvard is $121.36.

During the route, an average car will release 728.92 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 Harvard, IL

If you want to meet halfway between Dewey, SD and Harvard, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.637473 and -96.185398, or 43º 38' 14.9028" N, 96º 11' 7.4328" W. This location is 463.20 miles away from Dewey, SD and Harvard, IL and it would take approximately 8 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Luverne, MN, situated 459 miles from Dewey, SD and 471 miles from Harvard, IL. It would take 8 hours 9 mins to go from Dewey to Luverne and 8 hours 41 mins to go from Harvard to Luverne.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Harvard, IL is Sioux Falls, SD, situated 435 miles from Dewey, SD and 500 miles from Harvard, IL. It would take 7 hours 48 mins to go from Dewey to Sioux Falls and 9 hours 13 mins to go from Harvard to Sioux Falls.