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

Distance from Keyapaha, SD to Flat Rock, IL

Distance

894 mi

Time

17 hours 48 mins

Gas Cost

$83 - $162

There are 711.12 miles from Keyapaha to Flat Rock in southeast direction and 894 miles (1,438.75 kilometers) by car, following the I-80 route.

Keyapaha and Flat Rock are 17 hours 48 mins far apart, if you drive non-stop .

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

Keyapaha, SD and Flat Rock, IL are in the same time zone (CDT). Current time in both locations is 8:31 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Flat Rock, 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 35.92 gallons of gas to cover the route between Keyapaha, SD and Flat Rock, IL.

The estimated cost of gas to go from Keyapaha to Flat Rock is $117.18.

During the route, an average car will release 703.78 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 Flat Rock, IL

If you want to meet halfway between Keyapaha, SD and Flat Rock, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.68027 and -93.374483, or 41º 40' 48.972" N, 93º 22' 28.1388" W. This location is 447.23 miles away from Keyapaha, SD and Flat Rock, IL and it would take approximately 8 hours 54 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mitchellville, IA, situated 438 miles from Keyapaha, SD and 459 miles from Flat Rock, IL. It would take 9 hours 2 mins to go from Keyapaha to Mitchellville and 8 hours 52 mins to go from Flat Rock to Mitchellville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Keyapaha, SD and Flat Rock, IL is Des Moines, IA, situated 420 miles from Keyapaha, SD and 474 miles from Flat Rock, IL. It would take 8 hours 43 mins to go from Keyapaha to Des Moines and 9 hours 10 mins to go from Flat Rock to Des Moines.