✈ SEA → FCO
11H 37M FROM SEATTLE TO ROME. THIS IS A LIFESTYLE NOW.
Flight from Seattle to Rome
From Sea-Tac (SEA), USA North America → Fiumicino (FCO), Italy Europe
How long is the flight from Seattle to Rome?
A nonstop flight from Seattle (SEA) to Rome (FCO) takes about 11 hours 37 minutes, covering a great-circle distance of 5,672 miles (9,129 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
11h 37m
Nonstop, scheduled
Distance
5,672 mi
9,129 km · great-circle
Avg speed
786 km/h
Door-to-door including taxi
Time zones & jet lag
Seattle 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.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.