If you want to know how far it is between Singapore and San Francisco, the straight line distance is 8,447 miles
or 13,594 kilometers
If you are a pilot flying a private plane, you can fly straight from Singapore to San Francisco, CA for a total flight time of 17 hours, 24 minutes
Book a flight:
If you're a traveler planning a trip and you want to book a commercial flight, you can try searching for flights between SIN and SFO.