"San Francisco International Airport (IATA: SFO, ICAO: KSFO, FAA LID: SFO) is a major international airport located 13 miles (21 km) south of downtown San Francisco, California, United States, near the cities of Millbrae and San Bruno in unincorporated San Mateo County.[3] It is often referred to as SFO (from """"San FranciscO""""). The airport has flights to points throughout North America and is a major gateway to Europe and Asia."