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

Distance from Melstone, MT to Ralph, SD

Distance

287 mi

Time

6 hours 50 mins

Gas Cost

$27 - $52

There are 236.75 miles from Melstone to Ralph in southeast direction and 287 miles (461.88 kilometers) by car, following the US-12 route.

Melstone and Ralph are 6 hours 50 mins far apart, if you drive non-stop .

This is the fastest route from Melstone, MT to Ralph, SD.

Melstone, MT and Ralph, SD are in the same time zone (MDT). Current time in both locations is 2:43 pm.

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Lowest Price Rental Cars in Melstone, MT

Planning on renting a car to go from Melstone, MT to Ralph, SD? 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 11.51 gallons of gas to cover the route between Melstone, MT and Ralph, SD.

The estimated cost of gas to go from Melstone to Ralph is $37.55.

During the route, an average car will release 225.54 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 Melstone, MT and Ralph, SD

If you want to meet halfway between Melstone, MT and Ralph, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.433442 and -105.252258, or 46º 26' 0.3912" N, 105º 15' 8.1288" W. This location is 143.32 miles away from Melstone, MT and Ralph, SD and it would take approximately 3 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kinsey, MT, situated 130 miles from Melstone, MT and 188 miles from Ralph, SD. It would take 3 hours 1 min to go from Melstone to Kinsey and 4 hours 59 mins to go from Ralph to Kinsey.