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Distance from Grass Range, MT to ORD Airport

Distance

1,228 mi

Time

21 hours 39 mins

Gas Cost

$112 - $219

Helpful Inaccurate

There are 1,083.49 miles from Grass Range to O'Hare International Airport (ORD) in southeast direction and 1,228 miles (1,976.27 kilometers) by car, following the I-94 route.

Grass Range and ORD Airport are 21 hours 39 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to ORD Airport. The halfway point is Wheatland, ND.

Please note the time difference between Grass Range, MT and ORD Airport is 1 hour. The current time in Grass Range is 10:54 pm and the current time in ORD Airport is 11:54 pm.

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Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to ORD Airport? Here there are some offers to rent a car in Grass Range, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grass Range »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 49.33 gallons of gas to cover the route between Grass Range, MT and ORD Airport.

The estimated cost of gas to go from Grass Range to ORD Airport is $158.04.

During the route, an average car will release 966.42 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 Grass Range, MT and ORD Airport

If you want to meet halfway between Grass Range, MT and ORD Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.869694 and -97.422653, or 46º 52' 10.8984" N, 97º 25' 21.5508" W. This location is 614.12 miles away from Grass Range, MT and ORD Airport and it would take approximately 10 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wheatland, ND, situated 577 miles from Grass Range, MT and 657 miles from ORD Airport. It would take 8 hours 26 mins to go from Grass Range to Wheatland and 10 hours 12 mins to go from ORD to Wheatland.

Major City Closest to Halfway Point

The major city closest to the halfway point between Grass Range, MT and ORD Airport is Fargo, ND, situated 603 miles from Grass Range, MT and 630 miles from ORD Airport. It would take 8 hours 49 mins to go from Grass Range to and 9 hours 49 mins to go from ORD to Fargo.