There are
2,099 mi
from Simi Valley, CA to Zionsville, IN
That's the driving distance. It would take 1 day 13 hours to go from Simi Valley, California to Zionsville, Indiana.
The flight distance (direct flight from Simi Valley, CA to Zionsville, IN) is 1,823.63 mi.
2,099 mi = 3.22 kms