Miles between Simi Valley, CA and Post Falls, ID

There are
1,226 mi
from Simi Valley, CA to Post Falls, ID

That's the driving distance. It would take 23 hours 3 mins to go from Simi Valley, California to Post Falls, Idaho.

The flight distance (direct flight from Simi Valley, CA to Post Falls, ID) is 934.02 mi.

1,226 mi = 1.61 kms