There are
1,096 mi
from Simi Valley, CA to Amarillo, TX
That's the driving distance. It would take 19 hours 26 mins to go from Simi Valley, California to Amarillo, Texas.
The flight distance (direct flight from Simi Valley, CA to Amarillo, TX) is 963.38 mi.
1,096 mi = 1.61 kms