There are
1,055 mi
from West Covina, CA to Amarillo, TX
That's the driving distance. It would take 18 hours 6 mins to go from West Covina, California to Amarillo, Texas.
The flight distance (direct flight from West Covina, CA to Amarillo, TX) is 918.06 mi.
1,055 mi = 1,697.15 kms