There are
1,067 mi
from Loveland, CO to Temecula, CA
That's the driving distance. It would take 18 hours 42 mins to go from Loveland, Colorado to Temecula, California.
The flight distance (direct flight from Loveland, CO to Temecula, CA) is 818.51 mi.
1,067 mi = 1,717.36 kms