Distance between cities › USA › Illinois › Orient, IL › Distance from Orient to Custer Book Hotels

Distance from Orient, IL to Custer, MT

Distance

1,362 mi

Time

1 day

Gas Cost

$127 - $247

There are 1,105.49 miles from Orient to Custer in northwest direction and 1,362 miles (2,191.93 kilometers) by car, following the I-90 route.

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

This is the fastest route from Orient, IL to Custer, MT.

Please note the time difference between Orient, IL and Custer, MT is 1 hour. The current time in Orient is 5:28 am and the current time in Custer is 4:28 am.

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Lowest Price Rental Cars in Orient, IL

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Orient »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 54.70 gallons of gas to cover the route between Orient, IL and Custer, MT.

The estimated cost of gas to go from Orient to Custer is $178.44.

During the route, an average car will release 1,071.76 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 Orient, IL and Custer, MT

If you want to meet halfway between Orient, IL 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 43.608996 and -96.802199, or 43º 36' 32.3856" N, 96º 48' 7.9164" W. This location is 681.07 miles away from Orient, IL and Custer, MT and it would take approximately 12 hours 15 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo Ridge, SD, situated 725 miles from Orient, IL and 637 miles from Custer, MT. It would take 13 hours 21 mins to go from Orient to Buffalo Ridge and 11 hours 13 mins to go from Custer to Buffalo Ridge.

Major City Closest to Halfway Point

The major city closest to the halfway point between Orient, IL and Custer, MT is Sioux Falls, SD, situated 721 miles from Orient, IL and 645 miles from Custer, MT. It would take 13 hours 19 mins to go from Orient to Sioux Falls and 11 hours 23 mins to go from Custer to Sioux Falls.