How far is Seattle, WA, from Ketchikan, AK?
The distance between Ketchikan (Ketchikan International Airport) and Seattle (Seattle Boeing Field) is 675 miles / 1087 kilometers / 587 nautical miles.
The driving distance from Ketchikan (KTN) to Seattle (BFI) is 1121 miles / 1804 kilometers, and travel time by car is about 27 hours 43 minutes.
Ketchikan International Airport – Seattle Boeing Field
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Distance from Ketchikan to Seattle
There are several ways to calculate the distance from Ketchikan to Seattle. 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 Ketchikan to Seattle?
The estimated flight time from Ketchikan International Airport to Seattle Boeing Field is 1 hour and 46 minutes.
What is the time difference between Ketchikan and Seattle?
The time difference between Ketchikan and Seattle is 1 hour. Seattle is 1 hour ahead of Ketchikan.
Flight carbon footprint between Ketchikan International Airport (KTN) and Seattle Boeing Field (BFI)
On average, flying from Ketchikan to Seattle 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 Ketchikan to Seattle
See the map of the shortest flight path between Ketchikan International Airport (KTN) and Seattle Boeing Field (BFI).
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 | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |