✈ FCO → SEA

11H 37M IN A METAL TUBE. 5,672 MILES. EARN THE LEG.

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

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.