Distance between cities › USA › Montana › Melstone, MT › Distance from Melstone to Roundup Book Hotels

Distance from Melstone, MT to Roundup, MT

Distance

35 mi

Time

52 minutes

Gas Cost

$3 - $6

There are 33.57 miles from Melstone to Roundup in southwest direction and 35 miles (56.33 kilometers) by car, following the US-12 route.

Melstone and Roundup are 52 minutes far apart, if you drive non-stop .

This is the fastest route from Melstone, MT to Roundup, MT. The halfway point is Musselshell, MT.

Melstone, MT and Roundup, MT are in the same time zone (MDT). Current time in both locations is 6:16 am.

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Lowest Price Rental Cars in Melstone, MT

Planning on renting a car to go from Melstone, MT to Roundup, MT? Here there are some offers to rent a car in Melstone, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Melstone »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 1.41 gallons of gas to cover the route between Melstone, MT and Roundup, MT.

The estimated cost of gas to go from Melstone to Roundup is $4.52.

During the route, an average car will release 27.57 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 $3.21 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Melstone, MT and Roundup, MT

If you want to meet halfway between Melstone, MT and Roundup, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.510761 and -108.202148, or 46º 30' 38.7396" N, 108º 12' 7.7328" W. This location is 17.52 miles away from Melstone, MT and Roundup, MT and it would take approximately 26 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Musselshell, MT, situated 13 miles from Melstone, MT and 24 miles from Roundup, MT. It would take 20 minutes to go from Melstone to Musselshell and 35 minutes to go from Roundup to Musselshell.