There are
1,418 mi
from Simi Valley, CA to Weatherford, TX
That's the driving distance. It would take 1 day to go from Simi Valley, California to Weatherford, Texas.
The flight distance (direct flight from Simi Valley, CA to Weatherford, TX) is 1,211.14 mi.
1,418 mi = 2,281.56 kms