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How far is Alderney from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Alderney (Alderney Airport) is 3979 miles / 6403 kilometers / 3458 nautical miles.

Chicago Rockford International Airport – Alderney Airport

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3979
Miles
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6403
Kilometers
Distance arrow
3458
Nautical miles

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Distance from Rockford to Alderney

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

Vincenty's formula (applied above)
  • 3978.918 miles
  • 6403.448 kilometers
  • 3457.585 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
  • 3967.904 miles
  • 6385.723 kilometers
  • 3448.015 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 Rockford to Alderney?

The estimated flight time from Chicago Rockford International Airport to Alderney Airport is 8 hours and 2 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Alderney Airport (ACI)

On average, flying from Rockford to Alderney generates about 454 kg of CO2 per passenger, and 454 kilograms equals 1 000 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Alderney

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

Airport information

Origin Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W
Destination Alderney Airport
City: Alderney
Country: Guernsey Flag of Guernsey
IATA Code: ACI
ICAO Code: EGJA
Coordinates: 49°42′21″N, 2°12′52″W