There are
2,705 mi
from Simi Valley, CA to New Carrollton, MD
That's the driving distance. It would take 2 days to go from Simi Valley, California to New Carrollton, Maryland.
The flight distance (direct flight from Simi Valley, CA to New Carrollton, MD) is 2,325.63 mi.
2,705 mi = 3.22 kms