There are
2,484 mi
from Simi Valley, CA to St Marys, GA
That's the driving distance. It would take 1 day 19 hours to go from Simi Valley, California to St Marys, Georgia.
The flight distance (direct flight from Simi Valley, CA to St Marys, GA) is 2,169.52 mi.
2,484 mi = 3.22 kms