Distance between cities › USA › Ohio › Helena, OH › Distance from Helena to Custer Book Hotels

Distance from Helena, OH to Custer, MT

Distance

1,456 mi

Time

1 day 1 hour

Gas Cost

$133 - $259

There are 1,250.18 miles from Helena to Custer in northwest direction and 1,456 miles (2,343.20 kilometers) by car, following the I-94 route.

Helena and Custer are 1 day 1 hour far apart, if you drive non-stop .

This is the fastest route from Helena, OH to Custer, MT.

Please note the time difference between Helena, OH and Custer, MT is 2 hours. The current time in Helena is 11:49 pm and the current time in Custer is 9:49 pm.

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Lowest Price Rental Cars in Helena, OH

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Helena »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 58.47 gallons of gas to cover the route between Helena, OH and Custer, MT.

The estimated cost of gas to go from Helena to Custer is $187.35.

During the route, an average car will release 1,145.62 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Helena, OH and Custer, MT

If you want to meet halfway between Helena, OH 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 45.660523 and -94.687797, or 45º 39' 37.8828" N, 94º 41' 16.0692" W. This location is 728 miles away from Helena, OH and Custer, MT and it would take approximately 12 hours 52 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Freeport, MN, situated 762 miles from Helena, OH and 694 miles from Custer, MT. It would take 14 hours 18 mins to go from Helena to Freeport and 11 hours 28 mins to go from Custer to Freeport.