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

Distance from Grass Range, MT to Naples, ID

Distance

511 mi

Time

9 hours 55 mins

Gas Cost

$48 - $93

There are 367.77 miles from Grass Range to Naples in northwest direction and 511 miles (822.37 kilometers) by car, following the US-2 route.

Grass Range and Naples are 9 hours 55 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Naples, ID is 1 hour. The current time in Grass Range is 1:52 am and the current time in Naples is 12:52 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 Naples, 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 20.53 gallons of gas to cover the route between Grass Range, MT and Naples, ID.

The estimated cost of gas to go from Grass Range to Naples is $66.98.

During the route, an average car will release 402.27 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 Naples, ID

If you want to meet halfway between Grass Range, MT and Naples, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 48.47589 and -112.809084, or 48º 28' 33.204" N, 112º 48' 32.7024" W. This location is 255.63 miles away from Grass Range, MT and Naples, ID and it would take approximately 4 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Browning, MT, situated 262 miles from Grass Range, MT and 249 miles from Naples, ID. It would take 4 hours 58 mins to go from Grass Range to Browning and 4 hours 57 mins to go from Naples to Browning.