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

Distance from Dewey, SD to Herrin, IL

Distance

1,101 mi

Time

20 hours 50 mins

Gas Cost

$103 - $200

There are 878.94 miles from Dewey to Herrin in southeast direction and 1,101 miles (1,771.89 kilometers) by car, following the I-80 route.

Dewey and Herrin are 20 hours 50 mins far apart, if you drive non-stop .

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

Please note the time difference between Dewey, SD and Herrin, IL is 1 hour. The current time in Dewey is 7:23 am and the current time in Herrin is 8:23 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Herrin, 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 44.22 gallons of gas to cover the route between Dewey, SD and Herrin, IL.

The estimated cost of gas to go from Dewey to Herrin is $144.24.

During the route, an average car will release 866.32 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 Herrin, IL

If you want to meet halfway between Dewey, SD and Herrin, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.690271 and -96.693734, or 40º 41' 24.9756" N, 96º 41' 37.4424" W. This location is 550.52 miles away from Dewey, SD and Herrin, IL and it would take approximately 10 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Roca, NE, situated 550 miles from Dewey, SD and 557 miles from Herrin, IL. It would take 10 hours 32 mins to go from Dewey to Roca and 10 hours 27 mins to go from Herrin to Roca.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Herrin, IL is Lincoln, NE, situated 541 miles from Dewey, SD and 561 miles from Herrin, IL. It would take 10 hours 26 mins to go from Dewey to Lincoln and 10 hours 38 mins to go from Herrin to Lincoln.