Airports 501 to 550
Scottow Bog Flightpark Ultralightport
Berlin Regional Airport
Androscoggin Valley Hospital Helipad
Heacock Field Ultralight Flightpark
Upper Connecticut Vally Hospital Heliport
Colebrook, New Hampshire, United States — 610 km (329 nm) WSW
Biddeford Municipal Airport
Eastern Slopes Regional Airport
Little Ossipee Lake Seaplane Base
Waterboro Center, Maine, United States — 618 km (334 nm) WSW
Alma (Rivière La Grande Décharge) Seaplane Base
Walkers Point / George H W Bush Presidential Helipad
White Mountain Airport
North Conway, New Hampshire, United States — 623 km (336 nm) WSW