There are
1,316 mi
from Temecula, CA to Ferndale, WA
That's the driving distance. It would take 1 day 1 hour to go from Temecula, California to Ferndale, Washington.
The flight distance (direct flight from Temecula, CA to Ferndale, WA) is 1,097.17 mi.
1,316 mi = 1.61 kms