There are
766 mi
from Temecula, CA to Farmington, NM
That's the driving distance. It would take 13 hours 51 mins to go from Temecula, California to Farmington, New Mexico.
The flight distance (direct flight from Temecula, CA to Farmington, NM) is 551.64 mi.
766 mi = 1,233.30 kms