Distance between cities › USA › Montana › Grass Range, MT › Distance from Grass Range to Waterloo Book Hotels

Distance from Grass Range, MT to Waterloo, IA

Distance

1,054 mi

Time

18 hours 30 mins

Gas Cost

$98 - $191

There are 864.21 miles from Grass Range to Waterloo in southeast direction and 1,054 miles (1,696.25 kilometers) by car, following the I-94 route.

Grass Range and Waterloo are 18 hours 30 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Waterloo, IA.

Please note the time difference between Grass Range, MT and Waterloo, IA is 1 hour. The current time in Grass Range is 4:54 am and the current time in Waterloo is 5:54 am.

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Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to Waterloo, IA? 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 42.34 gallons of gas to cover the route between Grass Range, MT and Waterloo, IA.

The estimated cost of gas to go from Grass Range to Waterloo is $138.11.

During the route, an average car will release 829.49 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 Grass Range, MT and Waterloo, IA

If you want to meet halfway between Grass Range, MT and Waterloo, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.890036 and -99.087792, or 46º 53' 24.1296" N, 99º 5' 16.0512" W. This location is 527.11 miles away from Grass Range, MT and Waterloo, IA and it would take approximately 9 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 Cleveland, ND, situated 489 miles from Grass Range, MT and 566 miles from Waterloo, IA. It would take 8 hours 21 mins to go from Grass Range to Cleveland and 10 hours 13 mins to go from Waterloo to Cleveland.