Distance between cities › USA › South Dakota › Chamberlain, SD › Distance from Chamberlain to Forest Grove Book Hotels

Distance from Chamberlain, SD to Forest Grove, MT

Distance

639 mi

Time

11 hours 58 mins

Gas Cost

$59 - $114

There are 521.03 miles from Chamberlain to Forest Grove in northwest direction and 639 miles (1,028.37 kilometers) by car, following the I-90 Business route.

Chamberlain and Forest Grove are 11 hours 58 mins far apart, if you drive non-stop .

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

Please note the time difference between Chamberlain, SD and Forest Grove, MT is 1 hour. The current time in Chamberlain is 9:43 pm and the current time in Forest Grove is 8:43 pm.

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Lowest Price Rental Cars in Chamberlain, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Chamberlain »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 25.67 gallons of gas to cover the route between Chamberlain, SD and Forest Grove, MT.

The estimated cost of gas to go from Chamberlain to Forest Grove is $82.26.

During the route, an average car will release 503.02 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Chamberlain, SD and Forest Grove, MT

If you want to meet halfway between Chamberlain, SD and Forest Grove, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.159035 and -104.740038, or 45º 9' 32.526" N, 104º 44' 24.1368" W. This location is 319.65 miles away from Chamberlain, SD and Forest Grove, MT and it would take approximately 5 hours 59 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 325 miles from Chamberlain, SD and 314 miles from Forest Grove, MT. It would take 5 hours 34 mins to go from Chamberlain to Hammond and 6 hours 23 mins to go from Forest Grove to Hammond.