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

Distance from Grass Range, MT to Lake Fork, ID

Distance

569 mi

Time

11 hours 33 mins

Gas Cost

$53 - $103

There are 381.08 miles from Grass Range to Lake Fork in southwest direction and 569 miles (915.72 kilometers) by car, following the US-89 and MT 200 route.

Grass Range and Lake Fork are 11 hours 33 mins far apart, if you drive non-stop .

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

Grass Range, MT and Lake Fork, ID are in the same time zone (MDT). Current time in both locations is 4:18 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Grass Range, MT to Lake Fork, ID:

Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to Lake Fork, 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 22.87 gallons of gas to cover the route between Grass Range, MT and Lake Fork, ID.

The estimated cost of gas to go from Grass Range to Lake Fork is $74.61.

During the route, an average car will release 448.10 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 Lake Fork, ID

If you want to meet halfway between Grass Range, MT and Lake Fork, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.923581 and -113.43975, or 46º 55' 24.8916" N, 113º 26' 23.1" W. This location is 284.75 miles away from Grass Range, MT and Lake Fork, ID and it would take approximately 5 hours 46 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Greenough, MT, situated 273 miles from Grass Range, MT and 297 miles from Lake Fork, ID. It would take 5 hours 9 mins to go from Grass Range to Greenough and 6 hours 26 mins to go from Lake Fork to Greenough.