Air Miles Calculator

Distance between Seattle, WA (BFI) and Alpena, MI (APN)

Distance from Seattle to Alpena (Boeing Field – Alpena County Regional Airport) is 1843 miles / 2966 kilometers / 1601 nautical miles.

How far is Alpena from Seattle?

There are several ways to calculate distances between Seattle and Alpena. Here are two common methods:

Vincenty's formula (applied above)
  • 1842.899 miles
  • 2965.858 kilometers
  • 1601.435 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1837.668 miles
  • 2957.440 kilometers
  • 1596.890 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).

Flight duration

Estimated flight time from Boeing Field (BFI) to Alpena County Regional Airport (APN) is 3 hours 59 minutes.

Time difference and current local times

The time difference between Seattle and Alpena is 3 hours. Alpena is 3 hours ahead of Seattle.

Time Difference

Seattle
Alpena

Seattle, WA

 PDT

Alpena, MI

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 203 kg (447 pounds).

Airport information


A Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B Alpena County Regional Airport
City: Alpena, MI
Country: United States Flag of United States
IATA Code: APN
ICAO Code: KAPN
Coordinates: 45°4′41″N, 83°33′37″W

Seattle to Alpena flight path

Shortest flight path between Boeing Field (BFI) and Alpena County Regional Airport (APN).

Frequent Flyer Miles Calculator

Seattle (BFI) → Alpena (APN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1843
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1843

Round trip?