Miles between Simi Valley, CA and Johnston, IA

There are
1,702 mi
from Simi Valley, CA to Johnston, IA

That's the driving distance. It would take 1 day 5 hours to go from Simi Valley, California to Johnston, Iowa.

The flight distance (direct flight from Simi Valley, CA to Johnston, IA) is 1,451.98 mi.

1,702 mi = 1.61 kms