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

Distance from Forest Grove, MT to Platte, SD

Distance

689 mi

Time

12 hours 55 mins

Gas Cost

$64 - $125

There are 556.57 miles from Forest Grove to Platte in southeast direction and 689 miles (1,108.84 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Forest Grove and Platte are 12 hours 55 mins far apart, if you drive non-stop .

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

Please note the time difference between Forest Grove, MT and Platte, SD is 1 hour. The current time in Forest Grove is 7:29 am and the current time in Platte is 8:29 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 Platte, 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 27.66 gallons of gas to cover the route between Forest Grove, MT and Platte, SD.

The estimated cost of gas to go from Forest Grove to Platte is $90.24.

During the route, an average car will release 542.01 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 Platte, SD

If you want to meet halfway between Forest Grove, MT and Platte, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.991818 and -104.355222, or 44º 59' 30.5448" N, 104º 21' 18.7992" W. This location is 344.43 miles away from Forest Grove, MT and Platte, SD and it would take approximately 6 hours 27 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Alzada, MT, situated 343 miles from Forest Grove, MT and 346 miles from Platte, SD. It would take 6 hours 57 mins to go from Forest Grove to Alzada and 5 hours 58 mins to go from Platte to Alzada.