Airports 451 to 500
Mayne Island (Medical Emergency) Heliport
Central Washington Hospital Heliport
Mayne Island Seaplane Base
Scappoose Industrial Airpark
Yakima Valley Memorial Hospital Heliport
Ganges Seaplane Base
Salt Spring Island, British Columbia, Canada — 179 km (96 nm) NNW
Quamichan Lake (Raven Field) Airport
Quamichan Lake, British Columbia, Canada — 179 km (96 nm) NNW
Ganges (Lady Minto / Gulf Islands Hospital) Heliport
Yakima Air Terminal McAllister Field
Montague Harbour Seaplane Base
Galiano Island, British Columbia, Canada — 180 km (97 nm) NNW
Legacy Salmon Creek Hospital Heliport
Little Parker Island Heliport
Little Parker Island, British Columbia, Canada — 181 km (98 nm) NNW