How far is Sydney from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Sydney (Sydney Airport) is 9232 miles / 14857 kilometers / 8022 nautical miles.

Distance from Chicago to Sydney

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

Vincenty's formula (applied above)

• 9231.960 miles
• 14857.399 kilometers
• 8022.354 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

• 9234.938 miles
• 14862.192 kilometers
• 8024.942 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 Chicago to Sydney?

The estimated flight time from Chicago O'Hare International Airport to Sydney Airport is 17 hours and 58 minutes.

What is the time difference between Chicago and Sydney?

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

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Sydney Airport (SYD)

On average, flying from Chicago to Sydney generates about 1 183 kg of CO2 per passenger, and 1 183 kilograms equals 2 607 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Sydney

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Sydney Airport (SYD).

Airport information

Origin	Chicago O'Hare International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	ORD
ICAO Code:	KORD
Coordinates:	41°58′42″N, 87°54′17″W

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