Airports 501 to 550
Maritime Institute Heliport
Linthicum Heights, Maryland, United States — 186 km (100 nm) NNW
Harvey Point Defense Testing Activity Airport
Hertford, North Carolina, United States — 186 km (100 nm) SSW
Woodbine Municipal Airport
Walter Reed National Medical Center Heliport
Bachman Farm Ultralightport
Goochland Court House, Virginia, United States — 187 km (101 nm) W
First Flight Airport
Kill Devil Hills, North Carolina, United States — 187 km (101 nm) S
Johns Hopkins Bayview Hospital Heliport
Marriott Parking Garage Rooftop Heliport
Baltimore Police Department Heliport
Johns Hopkins Hospital Critical Care Tower Heliport
Emporia Greensville Regional Airport
Ascension Saint Agnes Hospital Heliport
University of Maryland Shock Trauma Center Heliport
Manassas Regional Airport/Harry P. Davis Field
Millville Municipal Airport
Merlin Aerodrome
Amelia Court House, Virginia, United States — 193 km (104 nm) WSW