Distance between cities › USA › Ohio › Kent, OH › Distance from Kent to Spearfish Book Hotels

Distance from Kent, OH to Spearfish, SD

Distance

1,322 mi

Time

23 hours 29 mins

Gas Cost

$123 - $240

There are 1,159.47 miles from Kent to Spearfish in west direction and 1,322 miles (2,127.55 kilometers) by car, following the I-90 route.

Kent and Spearfish are 23 hours 29 mins far apart, if you drive non-stop .

This is the fastest route from Kent, OH to Spearfish, SD. The halfway point is Saint Charles, MN.

Please note the time difference between Kent, OH and Spearfish, SD is 2 hours. The current time in Kent is 4:37 pm and the current time in Spearfish is 2:37 pm.

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Lowest Price Rental Cars in Kent, OH

Planning on renting a car to go from Kent, OH to Spearfish, SD? Here there are some offers to rent a car in Kent, OH

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Kent »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 53.10 gallons of gas to cover the route between Kent, OH and Spearfish, SD.

The estimated cost of gas to go from Kent to Spearfish is $173.21.

During the route, an average car will release 1,040.32 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 Kent, OH and Spearfish, SD

If you want to meet halfway between Kent, OH and Spearfish, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.928242 and -92.050621, or 43º 55' 41.6712" N, 92º 3' 2.2356" W. This location is 661.09 miles away from Kent, OH and Spearfish, SD and it would take approximately 11 hours 44 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Saint Charles, MN, situated 699 miles from Kent, OH and 633 miles from Spearfish, SD. It would take 10 hours 43 mins to go from Kent to Saint Charles and 8 hours 34 mins to go from Spearfish to Saint Charles.

Major City Closest to Halfway Point

The major city closest to the halfway point between Kent, OH and Spearfish, SD is Rochester, MN, situated 722 miles from Kent, OH and 620 miles from Spearfish, SD. It would take 11 hours 4 mins to go from Kent to and 8 hours 23 mins to go from Spearfish to Rochester.