How far is Rockford, IL, from Shannon?

The distance between Shannon (Shannon Airport) and Rockford (Chicago Rockford International Airport) is 3627 miles / 5837 kilometers / 3152 nautical miles.

Distance from Shannon to Rockford

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

Vincenty's formula (applied above)

• 3626.689 miles
• 5836.590 kilometers
• 3151.507 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

• 3616.580 miles
• 5820.322 kilometers
• 3142.722 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 Shannon to Rockford?

The estimated flight time from Shannon Airport to Chicago Rockford International Airport is 7 hours and 21 minutes.

What is the time difference between Shannon and Rockford?

The time difference between Shannon and Rockford is 6 hours. Rockford is 6 hours behind Shannon.

Flight carbon footprint between Shannon Airport (SNN) and Chicago Rockford International Airport (RFD)

On average, flying from Shannon to Rockford generates about 410 kg of CO2 per passenger, and 410 kilograms equals 904 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Shannon to Rockford

See the map of the shortest flight path between Shannon Airport (SNN) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Shannon Airport
City:	Shannon
Country:	Ireland
IATA Code:	SNN
ICAO Code:	EINN
Coordinates:	52°42′7″N, 8°55′29″W

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