How far is Sydney from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Sydney (Sydney Airport) is 9174 miles / 14765 kilometers / 7972 nautical miles.

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)

• 9174.357 miles
• 14764.696 kilometers
• 7972.298 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

• 9177.585 miles
• 14769.891 kilometers
• 7975.103 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 Airport is 17 hours and 52 minutes.

What is the time difference between Rockford and Sydney?

The time difference between Rockford and Sydney is 17 hours. Sydney is 17 hours ahead of Rockford.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Sydney Airport (SYD)

On average, flying from Rockford to Sydney generates about 1 174 kg of CO2 per passenger, and 1 174 kilograms equals 2 588 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Sydney

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

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 Airport
City:	Sydney
Country:	Australia
IATA Code:	SYD
ICAO Code:	YSSY
Coordinates:	33°56′45″S, 151°10′37″E