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

Distance from Grass Range, MT to Monroe, IN

Distance

1,432 mi

Time

1 day 1 hour

Gas Cost

$133 - $259

There are 1,259.29 miles from Grass Range to Monroe in southeast direction and 1,432 miles (2,304.58 kilometers) by car, following the I-94 route.

Grass Range and Monroe are 1 day 1 hour far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Monroe, IN.

Please note the time difference between Grass Range, MT and Monroe, IN is 2 hours. The current time in Grass Range is 3:18 am and the current time in Monroe is 5:18 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Grass Range, MT to Monroe, IN:

Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to Monroe, IN? 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 57.50 gallons of gas to cover the route between Grass Range, MT and Monroe, IN.

The estimated cost of gas to go from Grass Range to Monroe is $187.57.

During the route, an average car will release 1,126.55 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 Monroe, IN

If you want to meet halfway between Grass Range, MT and Monroe, IN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.081903 and -95.881878, or 46º 4' 54.8508" N, 95º 52' 54.7608" W. This location is 715.88 miles away from Grass Range, MT and Monroe, IN and it would take approximately 12 hours 59 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ashby, MN, situated 683 miles from Grass Range, MT and 757 miles from Monroe, IN. It would take 11 hours 42 mins to go from Grass Range to Ashby and 14 hours 33 mins to go from Monroe to Ashby.