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

Distance from Keyapaha, SD to Fairfax, SD

Distance

85 mi

Time

2 hours 22 mins

Gas Cost

$8 - $15

There are 63.33 miles from Keyapaha to Fairfax in east direction and 85 miles (136.79 kilometers) by car, following the US-18 route.

Keyapaha and Fairfax are 2 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to Fairfax, SD. The halfway point is Mills, NE.

Keyapaha, SD and Fairfax, SD are in the same time zone (CDT). Current time in both locations is 2:39 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Fairfax, SD? 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 3.40 gallons of gas to cover the route between Keyapaha, SD and Fairfax, SD.

The estimated cost of gas to go from Keyapaha to Fairfax is $10.64.

During the route, an average car will release 66.52 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 $3.14 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Keyapaha, SD and Fairfax, SD

If you want to meet halfway between Keyapaha, SD and Fairfax, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.940605 and -99.612343, or 42º 56' 26.178" N, 99º 36' 44.4348" W. This location is 42.27 miles away from Keyapaha, SD and Fairfax, SD and it would take approximately 1 hour 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mills, NE, situated 56 miles from Keyapaha, SD and 36 miles from Fairfax, SD. It would take 1 hour 28 mins to go from Keyapaha to Mills and 43 minutes to go from Fairfax to Mills.