Distance between cities › USA › California › Mentone, CA › Distance from Mentone to Spearfish Book Hotels

Distance from Mentone, CA to Spearfish, SD

Distance

1,257 mi

Time

22 hours 7 mins

Gas Cost

$117 - $228

There are 1,008.65 miles from Mentone to Spearfish in northeast direction and 1,257 miles (2,022.95 kilometers) by car, following the I-15 route.

Mentone and Spearfish are 22 hours 7 mins far apart, if you drive non-stop .

This is the fastest route from Mentone, CA to Spearfish, SD.

Please note the time difference between Mentone, CA and Spearfish, SD is 1 hour. The current time in Mentone is 8:21 am and the current time in Spearfish is 9:21 am.

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Lowest Price Rental Cars in Mentone, CA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mentone »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 50.47 gallons of gas to cover the route between Mentone, CA and Spearfish, SD.

The estimated cost of gas to go from Mentone to Spearfish is $164.64.

During the route, an average car will release 988.82 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 Mentone, CA and Spearfish, SD

If you want to meet halfway between Mentone, CA 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 40.779995 and -111.460444, or 40º 46' 47.982" N, 111º 27' 37.5984" W. This location is 628.36 miles away from Mentone, CA and Spearfish, SD and it would take approximately 11 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 Wanship, UT, situated 665 miles from Mentone, CA and 593 miles from Spearfish, SD. It would take 11 hours 44 mins to go from Mentone to Wanship and 10 hours 24 mins to go from Spearfish to Wanship.

Major City Closest to Halfway Point

The major city closest to the halfway point between Mentone, CA and Spearfish, SD is Salt Lake City, UT, situated 655 miles from Mentone, CA and 627 miles from Spearfish, SD. It would take 11 hours 24 mins to go from Mentone to Salt Lake City and 11 hours 7 mins to go from Spearfish to Salt Lake City.