✈ SFO → FCO

12H 43M FROM SAN FRANCISCO TO ROME. THIS IS A LIFESTYLE NOW.

Flight time
12h 43m
Distance
6,250 mi
Or
10,058 km
Jet lag
9h

Flight from San Francisco to Rome

From SFO (SFO), USA North America  →  Fiumicino (FCO), Italy Europe

↔ Flying the other way? Rome → San Francisco

How long is the flight from San Francisco to Rome?

A nonstop flight from San Francisco (SFO) to Rome (FCO) takes about 12 hours 43 minutes, covering a great-circle distance of 6,250 miles (10,058 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.

Avg flight time

12h 43m

Nonstop, scheduled

Distance

6,250 mi

10,058 km · great-circle

Avg speed

790 km/h

Door-to-door including taxi

Time zones & jet lag

San Francisco timezone

UTC-7

America/Los_Angeles

Rome timezone

UTC+2

Europe/Rome

Time difference

+9h

9 hours ahead

Jet lag (rough)

~9d

Eastward — worse

CO₂ footprint per passenger

Economy class, single passenger. Source: DEFRA 2024 averages.

✈ Flight 1489 kg CO₂
🚗 Car (alone) 1720 kg CO₂
🚆 Train 412 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.