How far is Ketchikan, AK, from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Ketchikan (Ketchikan International Airport) is 675 miles / 1087 kilometers / 587 nautical miles.
The driving distance from Seattle (BFI) to Ketchikan (KTN) is 1121 miles / 1804 kilometers, and travel time by car is about 27 hours 44 minutes.
Seattle Boeing Field – Ketchikan International Airport
Search flights
Distance from Seattle to Ketchikan
There are several ways to calculate the distance from Seattle to Ketchikan. Here are two standard methods:
Vincenty's formula (applied above)- 675.412 miles
- 1086.971 kilometers
- 586.917 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- 674.410 miles
- 1085.357 kilometers
- 586.046 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 Seattle to Ketchikan?
The estimated flight time from Seattle Boeing Field to Ketchikan International Airport is 1 hour and 46 minutes.
What is the time difference between Seattle and Ketchikan?
The time difference between Seattle and Ketchikan is 1 hour. Ketchikan is 1 hour behind Seattle.
Flight carbon footprint between Seattle Boeing Field (BFI) and Ketchikan International Airport (KTN)
On average, flying from Seattle to Ketchikan generates about 122 kg of CO2 per passenger, and 122 kilograms equals 269 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Seattle to Ketchikan
See the map of the shortest flight path between Seattle Boeing Field (BFI) and Ketchikan International Airport (KTN).
Airport information
| Origin | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |
| 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 |