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How far is Portsmouth, NH, from Alpena, MI?

The distance between Alpena (Alpena County Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 648 miles / 1043 kilometers / 563 nautical miles.

The driving distance from Alpena (APN) to Portsmouth (PSM) is 958 miles / 1542 kilometers, and travel time by car is about 19 hours 8 minutes.

Alpena County Regional Airport – Portsmouth International Airport at Pease

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648
Miles
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1043
Kilometers
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563
Nautical miles

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Distance from Alpena to Portsmouth

There are several ways to calculate the distance from Alpena to Portsmouth. Here are two standard methods:

Vincenty's formula (applied above)
  • 648.081 miles
  • 1042.985 kilometers
  • 563.167 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
  • 646.409 miles
  • 1040.295 kilometers
  • 561.714 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 Alpena to Portsmouth?

The estimated flight time from Alpena County Regional Airport to Portsmouth International Airport at Pease is 1 hour and 43 minutes.

What is the time difference between Alpena and Portsmouth?

There is no time difference between Alpena and Portsmouth.

Flight carbon footprint between Alpena County Regional Airport (APN) and Portsmouth International Airport at Pease (PSM)

On average, flying from Alpena to Portsmouth generates about 119 kg of CO2 per passenger, and 119 kilograms equals 262 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Alpena to Portsmouth

See the map of the shortest flight path between Alpena County Regional Airport (APN) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin 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
Destination Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W