If you want to know how far it is between San Francisco and Kauai, the straight line distance is 2,452 miles
or 3,946 kilometers
If you are a pilot flying a private plane, you can fly straight from San Francisco, CA to Kauai for a total flight time of 5 hours, 4 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 SFO and LIH.