How far is Ketchikan, AK, from Sydney?

The distance between Sydney (Sydney Airport) and Ketchikan (Ketchikan International Airport) is 7639 miles / 12293 kilometers / 6638 nautical miles.

Distance from Sydney to Ketchikan

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

Vincenty's formula (applied above)

• 7638.526 miles
• 12293.015 kilometers
• 6637.697 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

• 7651.793 miles
• 12314.367 kilometers
• 6649.226 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 Ketchikan?

The estimated flight time from Sydney Airport to Ketchikan International Airport is 14 hours and 57 minutes.

What is the time difference between Sydney and Ketchikan?

The time difference between Sydney and Ketchikan is 20 hours. Ketchikan is 20 hours behind Sydney.

Flight carbon footprint between Sydney Airport (SYD) and Ketchikan International Airport (KTN)

On average, flying from Sydney to Ketchikan generates about 946 kg of CO2 per passenger, and 946 kilograms equals 2 085 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Sydney to Ketchikan

See the map of the shortest flight path between Sydney Airport (SYD) and Ketchikan International Airport (KTN).

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	Ketchikan International Airport
City:	Ketchikan, AK
Country:	United States
IATA Code:	KTN
ICAO Code:	PAKT
Coordinates:	55°21′19″N, 131°42′38″W