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

Distance from Keyapaha, SD to Ault, CO

Distance

397 mi

Time

8 hours 14 mins

Gas Cost

$37 - $72

There are 293.86 miles from Keyapaha to Ault in southwest direction and 397 miles (638.91 kilometers) by car, following the US-20 route.

Keyapaha and Ault are 8 hours 14 mins far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to Ault, CO.

Please note the time difference between Keyapaha, SD and Ault, CO is 1 hour. The current time in Keyapaha is 7:19 pm and the current time in Ault is 6:19 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Ault, CO? 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 15.93 gallons of gas to cover the route between Keyapaha, SD and Ault, CO.

The estimated cost of gas to go from Keyapaha to Ault is $51.96.

During the route, an average car will release 312.10 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 Ault, CO

If you want to meet halfway between Keyapaha, SD and Ault, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.208053 and -102.86288, or 42º 12' 28.9908" N, 102º 51' 46.368" W. This location is 198.33 miles away from Keyapaha, SD and Ault, CO and it would take approximately 4 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Alliance, NE, situated 200 miles from Keyapaha, SD and 197 miles from Ault, CO. It would take 4 hours 23 mins to go from Keyapaha to Alliance and 3 hours 53 mins to go from Ault to Alliance.