✈ SEA → FCO

11H 37M FROM SEATTLE TO ROME. THIS IS A LIFESTYLE NOW.

Flight time
11h 37m
Distance
5,672 mi
Or
9,129 km
Jet lag
9h

Flight from Seattle to Rome

From Sea-Tac (SEA), USA North America  →  Fiumicino (FCO), Italy Europe

↔ Flying the other way? Rome → Seattle

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.

✈ Flight 1351 kg CO₂
🚗 Car (alone) 1561 kg CO₂
🚆 Train 374 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.