There are
1,356 mi
from Simi Valley, CA to Great Bend, KS
That's the driving distance. It would take 1 day to go from Simi Valley, California to Great Bend, Kansas.
The flight distance (direct flight from Simi Valley, CA to Great Bend, KS) is 1,147.16 mi.
1,356 mi = 1.61 kms