ICAO		IATA		Other		Location
(KNTK)		(NTK)				Tustin [Tustin MCAS], California, US (37 mi / 60 km SE)
				CL18		Glendora [Big Dalton Dam Emergency Heliport], California, US (37 mi / 60 km NE)
KAVX		AVX		AVX		Avalon [Catalina Airport (Airport in the Sky, ACE Clearwater Airfield)], Catalina Island, California, US (38 mi / 60 km S)
				3CA1		Newport Beach [Newport Beach Police Heliport], California, US (38 mi / 61 km SE)
				3CA2		Irvine [Jamboree Center Helistop], California, US (38 mi / 61 km SE)
				L70		Agua Dulce, California, US (39 mi / 62 km N)
				SGNM		Los Angeles County [San Gabriel Mountains NM (San Gabriel Mountains National Monument)], California, US (39 mi / 62 km NE)
				CL88		La Verne [San Dimas Dam Emergency Heliport], California, US (39 mi / 63 km E)
				6CL3		Fillmore [William Shells Company Heliport], California, US (40 mi / 64 km NW)
				57CA		Orange [Loma Ridge Communication Center Heliport], California, US (40 mi / 65 km E)
				CL63		Castaic [Castaic Dam Heliport], California, US (41 mi / 65 km N)
				26CN		Acton [Vincent Substation Heliport], California, US (41 mi / 65 km NE)
KNTD		NTD		NTD		Oxnard [NAS Point Mugu (Naval Base Ventura Co.)], California, US (42 mi / 68 km W)
				L11		Avalon [Pebbly Beach SPB], Catalina Island, California, US (42 mi / 68 km S)
				CL78		Saugus [Camp 14 Heliport], California, US (43 mi / 69 km N)
				CN67		Fillmore [Rotorcraft Support Inc./Rsi Heliport], California, US (43 mi / 69 km NW)
KCCB		CCB		CCB		Upland [Cable Airport], California, US (43 mi / 69 km E)
KCMA				CMA		Camarillo, California, US (43 mi / 70 km NW)
(KNZJ)		(NZJ)				Santa Ana [El Toro MCAS], California, US (43 mi / 70 km SE)
				1CN6		Azusa [BTNW PPR Heliport], California, US (44 mi / 71 km NE)