How far is Rome from Chicago, IL?
The distance between Chicago (Chicago O'Hare International Airport) and Rome (Leonardo da Vinci–Fiumicino Airport) is 4823 miles / 7762 kilometers / 4191 nautical miles.
Chicago O'Hare International Airport – Leonardo da Vinci–Fiumicino Airport
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Distance from Chicago to Rome
There are several ways to calculate the distance from Chicago to Rome. Here are two standard methods:
Vincenty's formula (applied above)- 4823.115 miles
- 7762.052 kilometers
- 4191.173 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 4810.711 miles
- 7742.090 kilometers
- 4180.394 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Chicago to Rome?
The estimated flight time from Chicago O'Hare International Airport to Leonardo da Vinci–Fiumicino Airport is 9 hours and 37 minutes.
What is the time difference between Chicago and Rome?
The time difference between Chicago and Rome is 7 hours. Rome is 7 hours ahead of Chicago.
Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Leonardo da Vinci–Fiumicino Airport (FCO)
On average, flying from Chicago to Rome generates about 561 kg of CO2 per passenger, and 561 kilograms equals 1 237 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Chicago to Rome
See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Leonardo da Vinci–Fiumicino Airport (FCO).
Airport information
| Origin | Chicago O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States  |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
| Destination | Leonardo da Vinci–Fiumicino Airport |
|---|---|
| City: | Rome |
| Country: | Italy  |
| IATA Code: | FCO |
| ICAO Code: | LIRF |
| Coordinates: | 41°48′16″N, 12°15′2″E |
Airlines flying from Chicago (ORD) to Rome (FCO)
| American Airlines |
| British Airways |
| Delta Air Lines |
| Finnair |
| Iberia Airlines |