✈ FCO → LAS
12H 28M FLIGHT. YOU WILL CRY DURING A ROMCOM. IT'S FINE.
Flight from Rome to Las Vegas
From Fiumicino (FCO), Italy Europe → Harry Reid (LAS), USA North America
How long is the flight from Rome to Las Vegas?
A nonstop flight from Rome (FCO) to Las Vegas (LAS) takes about 12 hours 28 minutes, covering a great-circle distance of 6,112 miles (9,837 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
12h 28m
Nonstop, scheduled
Distance
6,112 mi
9,837 km · great-circle
Avg speed
789 km/h
Door-to-door including taxi
Time zones & jet lag
Rome timezone
UTC+2
Europe/Rome
Las Vegas 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.