Map of flight path and driving directions from Watertown to Alpena.
Shortest flight path between Watertown International Airport (ART) and Alpena County Regional Airport (APN).
How far is Alpena from Watertown?
There are several ways to calculate distances between Watertown and Alpena. Here are two common methods:Vincenty's formula (applied above)
- 379.643 miles
- 610.976 kilometers
- 329.901 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
- 378.645 miles
- 609.370 kilometers
- 329.033 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).
Time difference and current local times
There is no time difference between Watertown and Alpena.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 81 kg (178 pounds).
Frequent Flyer Miles Calculator
Watertown (ART) → Alpena (APN).