There are
2,261 mi
from La Mesa, CA to Gahanna, OH
That's the driving distance. It would take 1 day 16 hours to go from La Mesa, California to Gahanna, Ohio.
The flight distance (direct flight from La Mesa, CA to Gahanna, OH) is 1,950.94 mi.
2,261 mi = 3,639.22 kms