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

Distance from Grass Range, MT to Nunn, CO

Distance

575 mi

Time

10 hours 6 mins

Gas Cost

$54 - $104

There are 480.47 miles from Grass Range to Nunn in southeast direction and 575 miles (925.37 kilometers) by car, following the US-87 route.

Grass Range and Nunn are 10 hours 6 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Nunn, CO.

Grass Range, MT and Nunn, CO are in the same time zone (MDT). Current time in both locations is 9:14 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 Nunn, CO? 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 23.10 gallons of gas to cover the route between Grass Range, MT and Nunn, CO.

The estimated cost of gas to go from Grass Range to Nunn is $75.34.

During the route, an average car will release 452.52 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 Nunn, CO

If you want to meet halfway between Grass Range, MT and Nunn, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.926021 and -106.64519, or 43º 55' 33.6756" N, 106º 38' 42.684" W. This location is 287.56 miles away from Grass Range, MT and Nunn, CO and it would take approximately 5 hours 3 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mayoworth, WY, situated 311 miles from Grass Range, MT and 287 miles from Nunn, CO. It would take 5 hours 47 mins to go from Grass Range to Mayoworth and 5 hours 15 mins to go from Nunn to Mayoworth.