ICAO		IATA		Other		Location
KSTS		STS		STS		Santa Rosa [Charles M Schulz - Sonoma County Airport], California, US (10 mi / 16 km NE)
				CL51		Santa Rosa [Santa Rosa Memorial Hospital Heliport], California, US (14 mi / 22 km E)
KHES				HES		Healdsburg [Muni], California, US (16 mi / 26 km N)
				CA39		Santa Rosa [Belos Cavalos Airport], California, US (21 mi / 34 km E)
				O69		Petaluma [Muni], California, US (22 mi / 36 km SE)
				O60		Cloverdale [Muni], California, US (25 mi / 40 km N)
				CL39		St. Helena [Napa County Fire Department Heliport], California, US (26 mi / 41 km E)
				10CN		St. Helena [Adventist Health St. Helena Heliport], California, US (27 mi / 44 km E)
KDVO		NOT		DVO		Novato [Gnoss Field], California, US (29 mi / 46 km SE)
				7CA9		Rutherford [River Meadow Farm Heliport], California, US (29 mi / 47 km E)
				2O3		Angwin [Angwin-Parrett Field], California, US (30 mi / 49 km E)
				0Q9		Sonoma [Sonoma Skypark Airport], California, US (30 mi / 49 km E)
				0Q3		Schellville/Sonoma [Sonoma Valley Airport], California, US (31 mi / 49 km SE)
				CA51		The Sea Ranch, California, US (32 mi / 52 km NW)
				CL85		Sonoma [Sonoma Pad 1], California, US (33 mi / 52 km SE)
				CN06		Sonoma [Infineon Raceway Pad 2], California, US (33 mi / 53 km SE)
				05CL		Pope Valley, California, US (33 mi / 53 km NE)
		(SRF)				Novato (San Rafael) [Hamilton AFB (Hamilton AAF)], California, US (35 mi / 56 km SE)
				CN14		Napa [Queen of The Valley Hospital Heliport], California, US (36 mi / 58 km E)
				CA35		San Rafael, California, US (37 mi / 59 km SE)