There are
1,056 mi
from Amarillo, TX to Temecula, CA
That's the driving distance. It would take 18 hours 28 mins to go from Amarillo, Texas to Temecula, California.
The flight distance (direct flight from Amarillo, TX to Temecula, CA) is 880.88 mi.
1,056 mi = 1,699.17 kms