✈ FCO → LAX
12H 54M FLIGHT. YOU WILL CRY DURING A ROMCOM. IT'S FINE.
Flight from Rome to Los Angeles
From Fiumicino (FCO), Italy Europe → LAX (LAX), USA North America
How long is the flight from Rome to Los Angeles?
A nonstop flight from Rome (FCO) to Los Angeles (LAX) takes about 12 hours 54 minutes, covering a great-circle distance of 6,340 miles (10,203 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
12h 54m
Nonstop, scheduled
Distance
6,340 mi
10,203 km · great-circle
Avg speed
791 km/h
Door-to-door including taxi
Time zones & jet lag
Rome timezone
UTC+2
Europe/Rome
Los Angeles 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.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.