Airports 451 to 500
Orillia-RAMA Regional Airport
Sunderland field/Blackwater creek
North Durham and Kawartha Lakes, Ontario, Canada — 255 km (137 nm) WSW
Orillia/Lake St John Seaplane Base
Oshawa Executive Airport
Lac Mandeville Water Aerodrome
Saint-Charles-de-Mandeville, Quebec, Canada — 257 km (139 nm) ENE