Distance between cities › USA › South Dakota › Corsica, SD › Distance from Corsica to Custer Book Hotels

Distance from Corsica, SD to Custer, MT

Distance

572 mi

Time

10 hours 17 mins

Gas Cost

$53 - $104

There are 485.63 miles from Corsica to Custer in northwest direction and 572 miles (920.54 kilometers) by car, following the I-90 route.

Corsica and Custer are 10 hours 17 mins far apart, if you drive non-stop .

This is the fastest route from Corsica, SD to Custer, MT. The halfway point is Sturgis, SD.

Please note the time difference between Corsica, SD and Custer, MT is 1 hour. The current time in Corsica is 7:16 am and the current time in Custer is 6:16 am.

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Lowest Price Rental Cars in Corsica, SD

Planning on renting a car to go from Corsica, SD to Custer, MT? Here there are some offers to rent a car in Corsica, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Corsica »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 22.98 gallons of gas to cover the route between Corsica, SD and Custer, MT.

The estimated cost of gas to go from Corsica to Custer is $74.95.

During the route, an average car will release 450.14 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 Corsica, SD and Custer, MT

If you want to meet halfway between Corsica, SD and Custer, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.422539 and -103.539398, or 44º 25' 21.1404" N, 103º 32' 21.8328" W. This location is 286.05 miles away from Corsica, SD and Custer, MT and it would take approximately 5 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sturgis, SD, situated 298 miles from Corsica, SD and 330 miles from Custer, MT. It would take 3 hours 59 mins to go from Corsica to Sturgis and 5 hours 30 mins to go from Custer to Sturgis.