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

Distance from Grass Range, MT to Naples, UT

Distance

587 mi

Time

12 hours 3 mins

Gas Cost

$55 - $106

There are 457.27 miles from Grass Range to Naples in south direction and 587 miles (944.68 kilometers) by car, following the US-191 route.

Grass Range and Naples are 12 hours 3 mins far apart, if you drive non-stop .

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

Grass Range, MT and Naples, UT are in the same time zone (MDT). Current time in both locations is 4:34 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, UT? 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 23.56 gallons of gas to cover the route between Grass Range, MT and Naples, UT.

The estimated cost of gas to go from Grass Range to Naples is $76.85.

During the route, an average car will release 461.57 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, UT

If you want to meet halfway between Grass Range, MT and Naples, UT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.466124 and -108.171246, or 43º 27' 58.0464" N, 108º 10' 16.4856" W. This location is 293.31 miles away from Grass Range, MT and Naples, UT and it would take approximately 6 hours 1 min to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Thermopolis, WY, situated 282 miles from Grass Range, MT and 305 miles from Naples, UT. It would take 5 hours 36 mins to go from Grass Range to Thermopolis and 6 hours 27 mins to go from Naples to Thermopolis.