There are
1,843 mi
from Temecula, CA to Mandeville, LA
That's the driving distance. It would take 1 day 8 hours to go from Temecula, California to Mandeville, Louisiana.
The flight distance (direct flight from Temecula, CA to Mandeville, LA) is 1,598.28 mi.
1,843 mi = 1.61 kms