There are
1,145 mi
from Simi Valley, CA to Pampa, TX
That's the driving distance. It would take 20 hours 7 mins to go from Simi Valley, California to Pampa, Texas.
The flight distance (direct flight from Simi Valley, CA to Pampa, TX) is 1,012.23 mi.
1,145 mi = 1,843.19 kms