There are
1,115 mi
from Simi Valley, CA to Plainview, TX
That's the driving distance. It would take 20 hours 9 mins to go from Simi Valley, California to Plainview, Texas.
The flight distance (direct flight from Simi Valley, CA to Plainview, TX) is 974.26 mi.
1,115 mi = 1,794.95 kms