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How far is Rockford, IL, from Sydney?

The distance between Sydney (Sydney/J.A. Douglas McCurdy Airport) and Rockford (Chicago Rockford International Airport) is 1461 miles / 2351 kilometers / 1269 nautical miles.

The driving distance from Sydney (YQY) to Rockford (RFD) is 1882 miles / 3028 kilometers, and travel time by car is about 35 hours 52 minutes.

Sydney/J.A. Douglas McCurdy Airport – Chicago Rockford International Airport

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1461
Miles
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2351
Kilometers
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1269
Nautical miles

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Distance from Sydney to Rockford

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

Vincenty's formula (applied above)
  • 1460.604 miles
  • 2350.614 kilometers
  • 1269.230 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
  • 1456.778 miles
  • 2344.457 kilometers
  • 1265.905 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 Sydney to Rockford?

The estimated flight time from Sydney/J.A. Douglas McCurdy Airport to Chicago Rockford International Airport is 3 hours and 15 minutes.

Flight carbon footprint between Sydney/J.A. Douglas McCurdy Airport (YQY) and Chicago Rockford International Airport (RFD)

On average, flying from Sydney to Rockford generates about 177 kg of CO2 per passenger, and 177 kilograms equals 390 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Sydney to Rockford

See the map of the shortest flight path between Sydney/J.A. Douglas McCurdy Airport (YQY) and Chicago Rockford International Airport (RFD).

Airport information

Origin Sydney/J.A. Douglas McCurdy Airport
City: Sydney
Country: Canada Flag of Canada
IATA Code: YQY
ICAO Code: CYQY
Coordinates: 46°9′41″N, 60°2′52″W
Destination 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