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

Distance from Keyapaha, SD to Lemhi, ID

Distance

927 mi

Time

18 hours 7 mins

Gas Cost

$86 - $168

There are 696.22 miles from Keyapaha to Lemhi in west direction and 927 miles (1,491.86 kilometers) by car, following the I-90 route.

Keyapaha and Lemhi are 18 hours 7 mins far apart, if you drive non-stop .

This is the fastest route from Keyapaha, SD to Lemhi, ID.

Please note the time difference between Keyapaha, SD and Lemhi, ID is 1 hour. The current time in Keyapaha is 9:25 pm and the current time in Lemhi is 8:25 pm.

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Lowest Price Rental Cars in Keyapaha, SD

Planning on renting a car to go from Keyapaha, SD to Lemhi, ID? 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 37.24 gallons of gas to cover the route between Keyapaha, SD and Lemhi, ID.

The estimated cost of gas to go from Keyapaha to Lemhi is $121.46.

During the route, an average car will release 729.52 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Keyapaha, SD and Lemhi, ID

If you want to meet halfway between Keyapaha, SD and Lemhi, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.5265 and -107.112933, or 45º 31' 35.4" N, 107º 6' 46.5588" W. This location is 463.58 miles away from Keyapaha, SD and Lemhi, ID and it would take approximately 9 hours 3 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Busby, MT, situated 458 miles from Keyapaha, SD and 470 miles from Lemhi, ID. It would take 9 hours to go from Keyapaha to Busby and 9 hours 8 mins to go from Lemhi to Busby.