There are
1,685 mi
from Pasco, WA to Marshfield, WI
That's the driving distance. It would take 1 day 5 hours to go from Pasco, Washington to Marshfield, Wisconsin.
The flight distance (direct flight from Pasco, WA to Marshfield, WI) is 1,398.51 mi.
1,685 mi = 2,711.32 kms