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

Distance from Grass Range, MT to Triumph, ID

Distance

543 mi

Time

11 hours 12 mins

Gas Cost

$51 - $98

There are 352.86 miles from Grass Range to Triumph in southwest direction and 543 miles (873.87 kilometers) by car, following the US-191 route.

Grass Range and Triumph are 11 hours 12 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Triumph, ID.

Grass Range, MT and Triumph, ID are in the same time zone (MDT). Current time in both locations is 4:35 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 Triumph, ID? 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 21.80 gallons of gas to cover the route between Grass Range, MT and Triumph, ID.

The estimated cost of gas to go from Grass Range to Triumph is $71.10.

During the route, an average car will release 427.05 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 Triumph, ID

If you want to meet halfway between Grass Range, MT and Triumph, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.846699 and -111.068955, or 44º 50' 48.1164" N, 111º 4' 8.238" W. This location is 271.38 miles away from Grass Range, MT and Triumph, ID and it would take approximately 5 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is West Yellowstone, MT, situated 286 miles from Grass Range, MT and 257 miles from Triumph, ID. It would take 5 hours 48 mins to go from Grass Range to West Yellowstone and 5 hours 24 mins to go from Triumph to West Yellowstone.