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

Distance from Grass Range, MT to Dinosaur, CO

Distance

617 mi

Time

12 hours 39 mins

Gas Cost

$58 - $112

There are 468.74 miles from Grass Range to Dinosaur in south direction and 617 miles (992.97 kilometers) by car, following the US-191 route.

Grass Range and Dinosaur are 12 hours 39 mins far apart, if you drive non-stop .

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

Grass Range, MT and Dinosaur, CO are in the same time zone (MDT). Current time in both locations is 3:19 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 Dinosaur, 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 24.79 gallons of gas to cover the route between Grass Range, MT and Dinosaur, CO.

The estimated cost of gas to go from Grass Range to Dinosaur is $80.87.

During the route, an average car will release 485.73 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 Dinosaur, CO

If you want to meet halfway between Grass Range, MT and Dinosaur, CO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.235541 and -108.113829, or 43º 14' 7.9476" N, 108º 6' 49.7844" W. This location is 308.66 miles away from Grass Range, MT and Dinosaur, CO and it would take approximately 6 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Shoshoni, WY, situated 314 miles from Grass Range, MT and 303 miles from Dinosaur, CO. It would take 6 hours 16 mins to go from Grass Range to Shoshoni and 6 hours 23 mins to go from Dinosaur to Shoshoni.