Airports 401 to 450
![Regional airport medium airport marker](/images/maps/medium-airport-marker.png)
Bromont (Roland Désourdy) Airport
![Closed airport closed airport marker](/images/maps/closed-airport-marker.png)
Lac Mandeville Water Aerodrome
Saint-Charles-de-Mandeville,
Quebec,
Canada
—
227 km
(122 nm)
NE
![Seaplane base seaplane base marker](/images/maps/seaplane-base-marker.png)
West Guilford/Redstone Lake Water Aerodrome
![Closed airport closed airport marker](/images/maps/closed-airport-marker.png)
Northwest Waterbird Seaplane Base
Bolten Landing,
New York,
United States
—
231 km
(124 nm)
SE
![Small airport small airport marker](/images/maps/small-airport-marker.png)
Middlebury State Airport
![Small airport small airport marker](/images/maps/small-airport-marker.png)
Stanhope Municipal Airport
![Regional airport medium airport marker](/images/maps/medium-airport-marker.png)
Peterborough Municipal Airport
![Heliport heliport marker](/images/maps/heliport-marker.png)
Cobourg (Northumberland Hills Hospital) Heliport
![Small airport small airport marker](/images/maps/small-airport-marker.png)
Williamson Sodus Airport
Williamson/Sodus,
New York,
United States
—
239 km
(129 nm)
SSW