Miles between Frederick, MD and Mamaroneck, NY

There are
261 mi
from Frederick, MD to Mamaroneck, NY

That's the driving distance. It would take 5 hours 20 mins to go from Frederick, Maryland to Mamaroneck, New York.

The flight distance (direct flight from Frederick, MD to Mamaroneck, NY) is 221.18 mi.

261 mi = 420.34 kms