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

Distance from Keyapaha, SD to Castleton, IL

Distance

659 mi

Time

13 hours 19 mins

Gas Cost

$61 - $119

There are 551.66 miles from Keyapaha to Castleton in southeast direction and 659 miles (1,060.56 kilometers) by car, following the I-80 route.

Keyapaha and Castleton are 13 hours 19 mins far apart, if you drive non-stop .

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

Keyapaha, SD and Castleton, IL are in the same time zone (CDT). Current time in both locations is 6:17 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Castleton, 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 26.47 gallons of gas to cover the route between Keyapaha, SD and Castleton, IL.

The estimated cost of gas to go from Keyapaha to Castleton is $86.34.

During the route, an average car will release 518.59 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 Castleton, IL

If you want to meet halfway between Keyapaha, SD and Castleton, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.497189 and -95.220895, or 41º 29' 49.8804" N, 95º 13' 15.222" W. This location is 329.54 miles away from Keyapaha, SD and Castleton, IL and it would take approximately 6 hours 39 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Walnut, IA, situated 336 miles from Keyapaha, SD and 326 miles from Castleton, IL. It would take 7 hours 10 mins to go from Keyapaha to Walnut and 6 hours 14 mins to go from Castleton to Walnut.