There are
1,948 mi
from La Mesa, CA to Monticello, MN
That's the driving distance. It would take 1 day 10 hours to go from La Mesa, California to Monticello, Minnesota.
The flight distance (direct flight from La Mesa, CA to Monticello, MN) is 1,509.15 mi.
1,948 mi = 3,135.19 kms