How far is Rockford, IL, from Rome?

The distance between Rome (Leonardo da Vinci–Fiumicino Airport) and Rockford (Chicago Rockford International Airport) is 4862 miles / 7824 kilometers / 4225 nautical miles.

Distance from Rome to Rockford

There are several ways to calculate the distance from Rome to Rockford. Here are two standard methods:

Vincenty's formula (applied above)

• 4861.538 miles
• 7823.886 kilometers
• 4224.561 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

• 4849.012 miles
• 7803.729 kilometers
• 4213.677 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 Rockford?

The estimated flight time from Leonardo da Vinci–Fiumicino Airport to Chicago Rockford International Airport is 9 hours and 42 minutes.

What is the time difference between Rome and Rockford?

The time difference between Rome and Rockford is 7 hours. Rockford is 7 hours behind Rome.

Flight carbon footprint between Leonardo da Vinci–Fiumicino Airport (FCO) and Chicago Rockford International Airport (RFD)

On average, flying from Rome to Rockford generates about 566 kg of CO2 per passenger, and 566 kilograms equals 1 247 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rome to Rockford

See the map of the shortest flight path between Leonardo da Vinci–Fiumicino Airport (FCO) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Leonardo da Vinci–Fiumicino Airport
City:	Rome
Country:	Italy
IATA Code:	FCO
ICAO Code:	LIRF
Coordinates:	41°48′16″N, 12°15′2″E

Destination	Chicago Rockford International Airport
City:	Rockford, IL
Country:	United States
IATA Code:	RFD
ICAO Code:	KRFD
Coordinates:	42°11′43″N, 89°5′49″W