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

Distance from Grass Range, MT to Heeney, CO

Distance

668 mi

Time

12 hours 46 mins

Gas Cost

$62 - $121

There are 509.90 miles from Grass Range to Heeney in southeast direction and 668 miles (1,075.04 kilometers) by car, following the US-87 route.

Grass Range and Heeney are 12 hours 46 mins far apart, if you drive non-stop .

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

Grass Range, MT and Heeney, CO are in the same time zone (MDT). Current time in both locations is 11:14 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 Heeney, 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 26.84 gallons of gas to cover the route between Grass Range, MT and Heeney, CO.

The estimated cost of gas to go from Grass Range to Heeney is $87.54.

During the route, an average car will release 525.78 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 Heeney, CO

If you want to meet halfway between Grass Range, MT and Heeney, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.287299 and -106.392642, or 43º 17' 14.2764" N, 106º 23' 33.5112" W. This location is 334.11 miles away from Grass Range, MT and Heeney, CO and it would take approximately 6 hours 23 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Midwest, WY, situated 332 miles from Grass Range, MT and 343 miles from Heeney, CO. It would take 5 hours 56 mins to go from Grass Range to Midwest and 7 hours 9 mins to go from Heeney to Midwest.