FLIGHT TIME / CALCULATED ESTIMATE
Rome ↗ San Francisco
FCO / Rome–Fiumicino Leonardo da Vinci International AirportSFO / San Francisco International Airport
MODELLED FLYING TIME12h 43mIllustrative estimate, not a scheduled flight
GREAT-CIRCLE DISTANCE10,058 kmGeographic straight-line distance
ROUTE CATEGORYInternationalOrigin and destination country records
How long is the flight?
The calculated airborne flight-time estimate between Rome (FCO) and San Francisco (SFO) is approximately 12 hours and 43 minutes for a modelled route length of 10,058 km.
This is not a confirmed nonstop service or published airline schedule. Airlines can use different paths, and connection time, taxiing, winds, weather, airspace restrictions and operational delays can change the actual journey.
Reference coordinates
Departure: Rome–Fiumicino Leonardo da Vinci International Airport. Arrival: San Francisco International Airport. Both airport-code and coordinate records are drawn from the site’s imported aviation dataset, with initial curated data used until refreshed.