There are
2,348 mi
from Jacksonville Beach, FL to Lemon Grove, CA
That's the driving distance. It would take 1 day 17 hours to go from Jacksonville Beach, Florida to Lemon Grove, California.
The flight distance (direct flight from Jacksonville Beach, FL to Lemon Grove, CA) is 2,096.07 mi.
2,348 mi = 3,778.34 kms