There are
2,830 mi
from La Mesa, CA to Peekskill, NY
That's the driving distance. It would take 2 days 2 hours to go from La Mesa, California to Peekskill, New York.
The flight distance (direct flight from La Mesa, CA to Peekskill, NY) is 2,423.09 mi.
2,830 mi = 4,553.79 kms