How far is Ketchikan, AK, from Singapore?

The distance between Singapore (Singapore Changi Airport) and Ketchikan (Ketchikan International Airport) is 7432 miles / 11961 kilometers / 6458 nautical miles.

Distance from Singapore to Ketchikan

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

Vincenty's formula (applied above)

• 7432.067 miles
• 11960.752 kilometers
• 6458.289 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

• 7428.117 miles
• 11954.395 kilometers
• 6454.857 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 Singapore to Ketchikan?

The estimated flight time from Singapore Changi Airport to Ketchikan International Airport is 14 hours and 34 minutes.

What is the time difference between Singapore and Ketchikan?

The time difference between Singapore and Ketchikan is 17 hours. Ketchikan is 17 hours behind Singapore.

Flight carbon footprint between Singapore Changi Airport (SIN) and Ketchikan International Airport (KTN)

On average, flying from Singapore to Ketchikan generates about 916 kg of CO2 per passenger, and 916 kilograms equals 2 020 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Singapore to Ketchikan

See the map of the shortest flight path between Singapore Changi Airport (SIN) and Ketchikan International Airport (KTN).

Airport information

Origin	Singapore Changi Airport
City:	Singapore
Country:	Singapore
IATA Code:	SIN
ICAO Code:	WSSS
Coordinates:	1°21′0″N, 103°59′38″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