How is the flight distance measured?

Flight distances are measured as the great-circle (straight-line) distance between airports. Actual flight paths may be slightly longer due to air traffic routing and weather avoidance.

How long does the flight from Rome to San Francisco take?

Flight time depends on the exact route and aircraft, but at roughly 10,058 km the typical non-stop flight takes 1–10 hours. Check the flight duration page for the exact average.

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Flight Distance: Rome to San Francisco

10,058

Kilometres (km)

6,250

Miles (mi)

5,431

Nautical miles

About this flight distance

The great circle distance from Rome to San Francisco is approximately 10,058 km. The typical flight time is 12h 19m.

This is the shortest possible distance between the two cities as the crow flies. Real flight paths are often slightly longer due to air traffic control routing, weather, and airspace restrictions.

Related route pages

→Direct flights Rome to San Francisco →Flight duration Rome to San Francisco →Cheapest day to fly Rome to San Francisco →Flights Rome to San Francisco

Nearby airports

Near Rome

Ciampino Airport (CIA)29 km

Near San Francisco

San Carlos Airport (SQL)16 km
Metropolitan Oakland International Airport (OAK)18 km
Norman Y. Mineta San Jose International Airport (SJC)49 km

Frequently Asked Questions

The great-circle distance from Rome to San Francisco is approximately 10,058 km (6,250 miles).