Airports 401 to 450
Middle Peninsula Regional Airport
Frederick Municipal Airport
Havre De Grace Seaplane Base
Havre De Grace, Maryland, United States — 118 km (63 nm) NNE
Hanover County Municipal Airport
Wallops Flight Facility Airport
Fort Detrick Helipad Heliport
Fort Detrick(Frederick), Maryland, United States — 120 km (65 nm) NW