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

Distance from Forest Grove, MT to Erwin, SD

Distance

751 mi

Time

13 hours 51 mins

Gas Cost

$70 - $136

There are 586.47 miles from Forest Grove to Erwin in southeast direction and 751 miles (1,208.62 kilometers) by car, following the I-94 route.

Forest Grove and Erwin are 13 hours 51 mins far apart, if you drive non-stop .

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

Please note the time difference between Forest Grove, MT and Erwin, SD is 1 hour. The current time in Forest Grove is 8:43 am and the current time in Erwin is 9:43 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 Erwin, 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 30.16 gallons of gas to cover the route between Forest Grove, MT and Erwin, SD.

The estimated cost of gas to go from Forest Grove to Erwin is $98.38.

During the route, an average car will release 590.87 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 Erwin, SD

If you want to meet halfway between Forest Grove, MT and Erwin, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.877078 and -102.402972, or 46º 52' 37.4808" N, 102º 24' 10.6992" W. This location is 375.48 miles away from Forest Grove, MT and Erwin, SD and it would take approximately 6 hours 55 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Taylor, ND, situated 356 miles from Forest Grove, MT and 399 miles from Erwin, SD. It would take 6 hours 45 mins to go from Forest Grove to Taylor and 7 hours 16 mins to go from Erwin to Taylor.