22640 kilometers / 14067 miles
or 12224 nautical miles.
Your flight will depart from San Francisco airport (37° 46' 29" N,122° 25' 9" W) and land at Ho Chi Minh City airport (10° 49' 1'' N,106° 39' 28'' E).
San Francisco is -15 hours ahead of Ho Chi Minh City.
Learn more about the time difference between San Francisco and Ho Chi Minh City.
Disclaimers: there may be NO flights or direct flights from San Francisco to Ho Chi Minh City, so in that case, the information should be just considered as "distance-only" calculation from San Francisco to Ho Chi Minh City.