There are
2,136 mi
from Simi Valley, CA to Greensburg, IN
That's the driving distance. It would take 1 day 14 hours to go from Simi Valley, California to Greensburg, Indiana.
The flight distance (direct flight from Simi Valley, CA to Greensburg, IN) is 1,864.17 mi.
2,136 mi = 3.22 kms