ICAO		IATA		Other		Location
(KNTK)		(NTK)				Tustin [Tustin MCAS], California, US (35 mi / 57 km SE)
				5CL5		Irvine [Kcin Emergency Heliport], California, US (36 mi / 58 km SE)
				CA85		Irvine [Opus Center Irvine Heliport], California, US (36 mi / 58 km SE)
				CA30		Costa Mesa [Manclark Airway Heliport], California, US (36 mi / 58 km SE)
				CA75		Simi Valley [Simi Valley Hospital Heliport], California, US (36 mi / 58 km W)
				42CL		Costa Mesa [Costa Mesa Police Department Heliport], California, US (36 mi / 58 km S)
KSNA		SNA		SNA		Santa Ana [John Wayne/Orange County Airport], California, US (36 mi / 58 km SE)
				10CL		Costa Mesa [Centerport Heliport], California, US (36 mi / 58 km SE)
				CL63		Castaic [Castaic Dam Heliport], California, US (37 mi / 59 km NW)
				0CL5		Irvine [The Atrium Heliport], California, US (37 mi / 59 km SE)
				3CA2		Irvine [Jamboree Center Helistop], California, US (37 mi / 59 km SE)
				21CL		Lancaster [La County Sheriff Lancaster STN Heliport], California, US (38 mi / 61 km N)
				14CA		Newport Beach [Hoag Memorial Hospital Presbyterian Heliport], California, US (38 mi / 61 km S)
				CL38		Huntington Beach [Beta Platform Eureka Heliport], California, US (39 mi / 63 km S)
				02CA		Huntington Beach [Beta Platform Ellen Heliport], California, US (39 mi / 63 km S)
				3CA1		Newport Beach [Newport Beach Police Heliport], California, US (39 mi / 63 km S)
				04CA		Palmdale [Gray Butte Field], California, US (39 mi / 63 km NE)
(KNZJ)		(NZJ)				Santa Ana [El Toro MCAS], California, US (40 mi / 65 km SE)
				6CA4		Thousand Oaks [East Valley Sheriff's Station Heliport], California, US (40 mi / 65 km W)
				CA29		Fontana [Fontana Police Heliport], California, US (41 mi / 65 km E)