There are
1,127 mi
from Oxnard, CA to Amarillo, TX
That's the driving distance. It would take 19 hours 32 mins to go from Oxnard, California to Amarillo, Texas.
The flight distance (direct flight from Oxnard, CA to Amarillo, TX) is 986.50 mi.
1,127 mi = 1,813.98 kms