✈ ORD → FCO

9H 58M FROM CHICAGO TO ROME. JET LAG IS NOW YOUR PERSONALITY.

Flight time
9h 58m
Distance
4,811 mi
Or
7,742 km
Jet lag
7h

Flight from Chicago to Rome

From O'Hare (ORD), USA North America  →  Fiumicino (FCO), Italy Europe

↔ Flying the other way? Rome → Chicago

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.

✈ Flight 1146 kg CO₂
🚗 Car (alone) 1324 kg CO₂
🚆 Train 317 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.