Distance between cities › USA › South Dakota › Keyapaha, SD › Distance from Keyapaha to Dennison Book Hotels

Distance from Keyapaha, SD to Dennison, IL

Distance

855 mi

Time

17 hours 4 mins

Gas Cost

$80 - $155

There are 697.31 miles from Keyapaha to Dennison in southeast direction and 855 miles (1,375.99 kilometers) by car, following the I-80 route.

Keyapaha and Dennison are 17 hours 4 mins far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to Dennison, IL.

Keyapaha, SD and Dennison, IL are in the same time zone (CDT). Current time in both locations is 11:11 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Dennison, IL? Here there are some offers to rent a car in Keyapaha, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Keyapaha »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 34.36 gallons of gas to cover the route between Keyapaha, SD and Dennison, IL.

The estimated cost of gas to go from Keyapaha to Dennison is $112.07.

During the route, an average car will release 673.12 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 Keyapaha, SD and Dennison, IL

If you want to meet halfway between Keyapaha, SD and Dennison, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.649775 and -93.647402, or 41º 38' 59.19" N, 93º 38' 50.6472" W. This location is 427.74 miles away from Keyapaha, SD and Dennison, IL and it would take approximately 8 hours 32 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Johnston, IA, situated 420 miles from Keyapaha, SD and 438 miles from Dennison, IL. It would take 8 hours 44 mins to go from Keyapaha to Johnston and 8 hours 29 mins to go from Dennison to Johnston.

Major City Closest to Halfway Point

The major city closest to the halfway point between Keyapaha, SD and Dennison, IL is Des Moines, IA, situated 420 miles from Keyapaha, SD and 435 miles from Dennison, IL. It would take 8 hours 43 mins to go from Keyapaha to Des Moines and 8 hours 26 mins to go from Dennison to Des Moines.