Miles between St Louis, MO and Simi Valley, CA

There are
1,850 mi
from St Louis, MO to Simi Valley, CA

That's the driving distance. It would take 1 day 8 hours to go from St Louis, Missouri to Simi Valley, California.

The flight distance (direct flight from St Louis, MO to Simi Valley, CA) is 1,610 mi.

1,850 mi = 1.61 kms