There are
1,656 mi
from Spokane, WA to Watertown, WI
That's the driving distance. It would take 1 day 4 hours to go from Spokane, Washington to Watertown, Wisconsin.
The flight distance (direct flight from Spokane, WA to Watertown, WI) is 1,416.63 mi.
1,656 mi = 1.61 kms