There are
1,983 mi
from Walnut Creek, CA to River Falls, WI
That's the driving distance. It would take 1 day 10 hours to go from Walnut Creek, California to River Falls, Wisconsin.
The flight distance (direct flight from Walnut Creek, CA to River Falls, WI) is 1,590.03 mi.
1,983 mi = 3,190.77 kms