ICAO		IATA		Other		Location
KMSS		MSS		MSS		Massena [Intl-Richards Field], New York, US (2 mi / 3 km S)
				36NY		Massena [Massena Substation Heliport], New York, US (3 mi / 4 km S)
				NK75		Massena [Thomas E Perdue Heliport], New York, US (4 mi / 7 km SW)
				CPS6		Cornwall [Cornwall Community Hospital McConnell Site Heliport], Ontario, CA (7 mi / 12 km NE)
				CNS8		Morrisburg [Morrisburg Airport], Ontario, CA (12 mi / 20 km W)
CYCC		YCC				Cornwall [Regional], Ontario, CA (16 mi / 26 km NE)
				CMB7		Maxville [Maxville (Bourdon Farm) Aerodrome], Ontario, CA (20 mi / 33 km N)
KPTD				PTD		Potsdam [Muni/Damon Field], New York, US (20 mi / 33 km S)
		XID				Maxville [Railway Station], Ontario, CA (23 mi / 36 km N)
				CMX2		Maxville [Maxville Aerodrome], Ontario, CA (23 mi / 38 km N)
				CNA8		Winchester, Ontario, CA (24 mi / 38 km W)
				CDD3		Sainte-Agnès-De-Dundee [Sainte-Agnès-de-Dundee Aerodrome], Québec, CA (25 mi / 40 km E)
				CNP7		Iroquois, Ontario, CA (25 mi / 41 km W)
KMAL				MAL		Malone [Malone-Dufort Airport], New York, US (26 mi / 41 km E)
		XFS				Alexandria [Railway Station], Ontario, CA (26 mi / 42 km N)
				CWH4		Winchester [Ottawa Winchester District Memorial Hospital Heliport], Ontario, CA (27 mi / 44 km W)
		XZB				Casselman [Railway Station], Ontario, CA (27 mi / 44 km NW)
				CNS4		Alexandria [Alexandria Aerodrome], Ontario, CA (28 mi / 45 km N)
				CLA6		Lancaster [Lancaster Airpark], Ontario, CA (28 mi / 46 km NE)
				CSF7		Ottawa [Shea Field (Ottawa/Casselman Aerodrome)], Ontario, CA (29 mi / 46 km NW)