There are
2,109 mi
from La Mesa, CA to Greenfield, WI
That's the driving distance. It would take 1 day 13 hours to go from La Mesa, California to Greenfield, Wisconsin.
The flight distance (direct flight from La Mesa, CA to Greenfield, WI) is 1,720.77 mi.
2,109 mi = 3,394.68 kms