There are
1,633 mi
from Boise, ID to Marshfield, WI

That's the driving distance. It would take 1 day 4 hours to go from Boise, Idaho to Marshfield, Wisconsin.

The flight distance (direct flight from Boise, ID to Marshfield, WI) is 1,288.98 mi.

1,633 mi = 1.61 kms