Airports 451 to 500
Ottawa Macdonald-Cartier International Airport
Wheeler Sack Army Air Field
Schenectady County Airport
Ottawa / Gatineau Airport
General Electric R&D Center Heliport
Ottawa / Rockcliffe Airport
Brattleboro Memorial Hospital Heliport
Hawthorne Feather Airpark
Hillsboro, New Hampshire, United States — 206 km (111 nm) SSE
St-Louis-de-France Airport
Maxson Airfield
Alton Bay Seaplane Base
Alton Bay, New Hampshire, United States — 208 km (112 nm) SE