There are
1,040 mi
from Margate, FL to Gaithersburg, MD
That's the driving distance. It would take 19 hours 8 mins to go from Margate, Florida to Gaithersburg, Maryland.
The flight distance (direct flight from Margate, FL to Gaithersburg, MD) is 908.03 mi.
1,040 mi = 1,673.34 kms