How far is Sydney from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Sydney (Sydney/J.A. Douglas McCurdy Airport) is 1461 miles / 2351 kilometers / 1269 nautical miles.
The driving distance from Rockford (RFD) to Sydney (YQY) is 1865 miles / 3001 kilometers, and travel time by car is about 35 hours 37 minutes.
Chicago Rockford International Airport – Sydney/J.A. Douglas McCurdy Airport
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Distance from Rockford to Sydney
There are several ways to calculate the distance from Rockford to Sydney. 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 Rockford to Sydney?
The estimated flight time from Chicago Rockford International Airport to Sydney/J.A. Douglas McCurdy Airport is 3 hours and 15 minutes.
What is the time difference between Rockford and Sydney?
The time difference between Rockford and Sydney is 2 hours. Sydney is 2 hours ahead of Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Sydney/J.A. Douglas McCurdy Airport (YQY)
On average, flying from Rockford to Sydney 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 Rockford to Sydney
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Sydney/J.A. Douglas McCurdy Airport (YQY).
Airport information
| Origin | 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 |
| Destination | Sydney/J.A. Douglas McCurdy Airport |
|---|---|
| City: | Sydney |
| Country: | Canada  |
| IATA Code: | YQY |
| ICAO Code: | CYQY |
| Coordinates: | 46°9′41″N, 60°2′52″W |