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

Distance from Grass Range, MT to Jefferson, CO

Distance

666 mi

Time

11 hours 37 mins

Gas Cost

$62 - $121

There are 544.23 miles from Grass Range to Jefferson in southeast direction and 666 miles (1,071.82 kilometers) by car, following the US-87 route.

Grass Range and Jefferson are 11 hours 37 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Jefferson, CO. The halfway point is Midwest, WY.

Grass Range, MT and Jefferson, CO are in the same time zone (MDT). Current time in both locations is 2:00 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 Jefferson, 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 26.76 gallons of gas to cover the route between Grass Range, MT and Jefferson, CO.

The estimated cost of gas to go from Grass Range to Jefferson is $87.30.

During the route, an average car will release 524.32 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 Jefferson, CO

If you want to meet halfway between Grass Range, MT and Jefferson, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.360897 and -106.376823, or 43º 21' 39.2292" N, 106º 22' 36.5628" W. This location is 333.19 miles away from Grass Range, MT and Jefferson, CO and it would take approximately 5 hours 48 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 341 miles from Jefferson, CO. It would take 6 hours 31 mins to go from Grass Range to Midwest and 5 hours 19 mins to go from Jefferson to Midwest.