✈ ORD → FCO
9H 58M IN ECONOMY. PACK MELATONIN. PACK A NECK PILLOW. PACK REGRETS.
Flight from Chicago to Rome
From O'Hare (ORD), USA North America → Fiumicino (FCO), Italy Europe
How long is the flight from Chicago to Rome?
A nonstop flight from Chicago (ORD) to Rome (FCO) takes about 9 hours 58 minutes, covering a great-circle distance of 4,811 miles (7,742 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
9h 58m
Nonstop, scheduled
Distance
4,811 mi
7,742 km · great-circle
Avg speed
777 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Rome timezone
UTC+2
Europe/Rome
Time difference
+7h
7 hours ahead
Jet lag (rough)
~7d
Eastward — worse
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.