✈ FCO → SEA

11H 37M, 5,672 MI. THE AIRLINE OWES YOU SOMETHING. THEY WON'T GIVE IT.

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

Flight from Rome to Seattle

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

↔ Flying the other way? Seattle → Rome

How long is the flight from Rome to Seattle?

A nonstop flight from Rome (FCO) to Seattle (SEA) 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

Rome timezone

UTC+2

Europe/Rome

Seattle timezone

UTC-7

America/Los_Angeles

Time difference

-9h

9 hours behind

Jet lag (rough)

~6.3d

Westward — easier

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.