There are
1,528 mi
from Simi Valley, CA to Robstown, TX
That's the driving distance. It would take 1 day 2 hours to go from Simi Valley, California to Robstown, Texas.
The flight distance (direct flight from Simi Valley, CA to Robstown, TX) is 1,324.61 mi.
1,528 mi = 1.61 kms