Airports 501 to 550
Naval Auxiliary Air Station Charlestown
Charlestown, Rhode Island, United States — 126 km (68 nm) SE
Lawrence General Hospital Heliport
Dutchess County Airport
St. Vincent's Medical Center Heliport
IBM Fishkill Plant Number 2 Heliport
Hopewell Junction, New York, United States — 129 km (69 nm) SW
Cape Air Seaplanes on Boston Harbor Seaplane Base
Lawrence Municipal Airport
Igor I Sikorsky Memorial Airport
Linuo American Campus Heliport
Hopewell Junction, New York, United States — 131 km (70 nm) SW