There are
2,708 mi
from Simi Valley, CA to Bowie, MD
That's the driving distance. It would take 1 day 23 hours to go from Simi Valley, California to Bowie, Maryland.
The flight distance (direct flight from Simi Valley, CA to Bowie, MD) is 2,330.80 mi.
2,708 mi = 4,358.58 kms