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

Distance from Forest Grove, MT to Hamill, SD

Distance

648 mi

Time

12 hours 21 mins

Gas Cost

$60 - $117

There are 513.10 miles from Forest Grove to Hamill in southeast direction and 648 miles (1,042.85 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Forest Grove and Hamill are 12 hours 21 mins far apart, if you drive non-stop .

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

Please note the time difference between Forest Grove, MT and Hamill, SD is 1 hour. The current time in Forest Grove is 10:20 am and the current time in Hamill is 11:20 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 Hamill, 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 26.01 gallons of gas to cover the route between Forest Grove, MT and Hamill, SD.

The estimated cost of gas to go from Forest Grove to Hamill is $84.85.

During the route, an average car will release 509.62 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 Hamill, SD

If you want to meet halfway between Forest Grove, MT and Hamill, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.142487 and -104.69751, or 45º 8' 32.9532" N, 104º 41' 51.036" W. This location is 323.85 miles away from Forest Grove, MT and Hamill, SD and it would take approximately 6 hours 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hammond, MT, situated 314 miles from Forest Grove, MT and 334 miles from Hamill, SD. It would take 6 hours 24 mins to go from Forest Grove to Hammond and 5 hours 56 mins to go from Hamill to Hammond.