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

Distance from Forest Grove, MT to Ralph, SD

Distance

413 mi

Time

8 hours 22 mins

Gas Cost

$38 - $75

There are 298.58 miles from Forest Grove to Ralph in southeast direction and 413 miles (664.66 kilometers) by car, following the US-87 and MT 200 route.

Forest Grove and Ralph are 8 hours 22 mins far apart, if you drive non-stop .

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

Forest Grove, MT and Ralph, SD are in the same time zone (MDT). Current time in both locations is 6:03 am.

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Lowest Price Rental Cars in Forest Grove, MT

Planning on renting a car to go from Forest Grove, MT to Ralph, SD? Here there are some offers to rent a car in Forest Grove, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Forest Grove »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 16.57 gallons of gas to cover the route between Forest Grove, MT and Ralph, SD.

The estimated cost of gas to go from Forest Grove to Ralph is $54.06.

During the route, an average car will release 324.68 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 Forest Grove, MT and Ralph, SD

If you want to meet halfway between Forest Grove, 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 47.412331 and -105.519189, or 47º 24' 44.3916" N, 105º 31' 9.0804" W. This location is 206.32 miles away from Forest Grove, MT and Ralph, SD and it would take approximately 4 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Circle, MT, situated 191 miles from Forest Grove, MT and 222 miles from Ralph, SD. It would take 3 hours 55 mins to go from Forest Grove to Circle and 4 hours 27 mins to go from Ralph to Circle.