How far is Sibolga from Ketchikan, AK?

The distance between Ketchikan (Ketchikan International Airport) and Sibolga (Ferdinand Lumban Tobing Airport) is 7589 miles / 12214 kilometers / 6595 nautical miles.

Distance from Ketchikan to Sibolga

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

Vincenty's formula (applied above)

• 7589.241 miles
• 12213.699 kilometers
• 6594.870 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

• 7584.896 miles
• 12206.707 kilometers
• 6591.094 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 Ketchikan to Sibolga?

The estimated flight time from Ketchikan International Airport to Ferdinand Lumban Tobing Airport is 14 hours and 52 minutes.

What is the time difference between Ketchikan and Sibolga?

The time difference between Ketchikan and Sibolga is 16 hours. Sibolga is 16 hours ahead of Ketchikan.

Flight carbon footprint between Ketchikan International Airport (KTN) and Ferdinand Lumban Tobing Airport (FLZ)

On average, flying from Ketchikan to Sibolga generates about 939 kg of CO2 per passenger, and 939 kilograms equals 2 070 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Ketchikan to Sibolga

See the map of the shortest flight path between Ketchikan International Airport (KTN) and Ferdinand Lumban Tobing Airport (FLZ).

Airport information

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

Destination	Ferdinand Lumban Tobing Airport
City:	Sibolga
Country:	Indonesia
IATA Code:	FLZ
ICAO Code:	WIMS
Coordinates:	1°33′21″N, 98°53′20″E