ICAO		IATA		Other		Location
(KNTK)		(NTK)				Tustin [Tustin MCAS], California, US (27 mi / 44 km S)
				CL66		La Canada [Camp 2 Heliport], California, US (28 mi / 45 km W)
				24CA		Pasadena [Mesa Heliport], California, US (28 mi / 45 km W)
				46CN		Llano [Crystal Airport], California, US (28 mi / 45 km N)
				CL00		Los Angeles [USC University Hospital Heliport], California, US (28 mi / 46 km W)
(KNZJ)		(NZJ)				Santa Ana [El Toro MCAS], California, US (29 mi / 46 km S)
KSLI				SLI		Los Alamitos [Los Alamitos AAF Airport], California, US (29 mi / 46 km SW)
				35CA		Los Angeles [Los Angeles County/Usc Medical Center Heliport], California, US (29 mi / 47 km W)
				93CA		Fountain Valley [Fountain Valley Regional Hospital Heliport], California, US (29 mi / 47 km SW)
				5CL5		Irvine [Kcin Emergency Heliport], California, US (29 mi / 47 km S)
				48CA		Westminster [Huntington Beach Service Center Heliport], California, US (29 mi / 47 km SW)
				CA85		Irvine [Opus Center Irvine Heliport], California, US (29 mi / 47 km S)
				83CA		Costa Mesa [The Met Heliport], California, US (29 mi / 47 km S)
				3CA2		Irvine [Jamboree Center Helistop], California, US (29 mi / 47 km S)
KRIV		RIV		RIV		Riverside [March ARB], California, US (29 mi / 47 km SE)
				50CL		Lakewood [La County Sheriff Lakewood Heliport], California, US (30 mi / 48 km SW)
				L26		Hesperia, California, US (30 mi / 48 km NE)
				23CL		Los Angeles [La County Mens Sheriffs Center Jail Heliport], California, US (30 mi / 48 km W)
				1CA7		Costa Mesa [L A Times Costa Mesa Heliport], California, US (30 mi / 48 km SW)
				CL92		Irvine [SCE Saddleback Service Center Heliport], California, US (30 mi / 48 km S)