There are
522 mi
from Dearborn, MI to New Carrollton, MD
That's the driving distance. It would take 9 hours 53 mins to go from Dearborn, Michigan to New Carrollton, Maryland.
The flight distance (direct flight from Dearborn, MI to New Carrollton, MD) is 403.06 mi.
522 mi = 840.72 kms