How far is Allentown, PA, from Sydney?

The distance between Sydney (Sydney Airport) and Allentown (Lehigh Valley International Airport) is 9863 miles / 15873 kilometers / 8571 nautical miles.

Distance from Sydney to Allentown

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

Vincenty's formula (applied above)

• 9862.899 miles
• 15872.797 kilometers
• 8570.625 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

• 9863.581 miles
• 15873.896 kilometers
• 8571.218 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 Allentown?

The estimated flight time from Sydney Airport to Lehigh Valley International Airport is 19 hours and 10 minutes.

What is the time difference between Sydney and Allentown?

The time difference between Sydney and Allentown is 16 hours. Allentown is 16 hours behind Sydney.

Flight carbon footprint between Sydney Airport (SYD) and Lehigh Valley International Airport (ABE)

On average, flying from Sydney to Allentown generates about 1 280 kg of CO2 per passenger, and 1 280 kilograms equals 2 822 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Sydney to Allentown

See the map of the shortest flight path between Sydney Airport (SYD) and Lehigh Valley International Airport (ABE).

Airport information

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

Destination	Lehigh Valley International Airport
City:	Allentown, PA
Country:	United States
IATA Code:	ABE
ICAO Code:	KABE
Coordinates:	40°39′7″N, 75°26′26″W