San Francisco International Airport is located approximately 13 miles south of downtown San Francisco. The airport is situated in the city of San Mateo, making it easily accessible via several major highways. Travelers typically use US Highway 101 or Interstate 280 to reach the airport from downtown. The drive can take around 20 to 30 minutes, depending on traffic conditions. Additionally, public transportation options such as BART and various shuttle services provide convenient connections between downtown San Francisco and SFO Airport. For more detailed information regarding transportation options and times, interested travelers might consider checking the airport's official website, as it regularly updates transit information.