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Distance between Rome (FCO) and Chicago, IL (ORD)

Flight distance from Rome to Chicago (Leonardo da Vinci–Fiumicino Airport – Chicago O'Hare International Airport) is 4823 miles / 7762 kilometers / 4191 nautical miles. Estimated flight time is 9 hours 37 minutes.

Rome – Chicago

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4823
Miles
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7762
Kilometers
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4191
Nautical miles

How far is Chicago from Rome?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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 Rome to Chicago?

Estimated flight time from Leonardo da Vinci–Fiumicino Airport to Chicago O'Hare International Airport is 9 hours 37 minutes.

What is the time difference between Rome and Chicago?

The time difference between Rome and Chicago is 7 hours. Chicago is 7 hours behind Rome.
Rome time to Chicago time converter

Flight carbon footprint between Leonardo da Vinci–Fiumicino Airport (FCO) and Chicago O'Hare International Airport (ORD)

On average flying from Rome to Chicago generates about 561 kg of CO2 per passenger, 561 kilograms is equal to 1 237 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rome to Chicago

Shortest flight path between Leonardo da Vinci–Fiumicino Airport (FCO) and Chicago O'Hare International Airport (ORD).

Airport information

Origin Leonardo da Vinci–Fiumicino Airport
City: Rome
Country: Italy Flag of Italy
IATA Code: FCO
ICAO Code: LIRF
Coordinates: 41°48′16″N, 12°15′2″E
Destination Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W