There are
2,818 mi
from Temecula, CA to Port Chester, NY
That's the driving distance. It would take 2 days 2 hours to go from Temecula, California to Port Chester, New York.
The flight distance (direct flight from Temecula, CA to Port Chester, NY) is 2,421.26 mi.
2,818 mi = 3.22 kms