There are
2,089 mi
from Simi Valley, CA to Brownsburg, IN
That's the driving distance. It would take 1 day 13 hours to go from Simi Valley, California to Brownsburg, Indiana.
The flight distance (direct flight from Simi Valley, CA to Brownsburg, IN) is 1,816.17 mi.
2,089 mi = 3.22 kms