Are there nonstop flights from Naples (NAP) to San Francisco (SFO)?

No. The fastest connection is via Zurich, about 13h 3m of total flying time.

What is the fastest connection from Naples (NAP) to San Francisco (SFO)?

via Zurich ≈ 13h 3m, via London ≈ 13h 3m, via Amsterdam ≈ 13h 3m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Naples International Airport (NAP) to San Francisco International Airport (SFO)・10,237 km

No nonstop flights. The fastest connection is via Zurich (ZRH), about 13h 3m of flying time (layover not included).

With milesANA 27,500 miles+ (via ZRH)JAL 45,000 miles+ (via LHR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

23 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.