How far is Juneau, AK, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Juneau (Juneau International Airport) is 2864 miles / 4609 kilometers / 2488 nautical miles.
The driving distance from Portsmouth (PSM) to Juneau (JNU) is 3910 miles / 6293 kilometers, and travel time by car is about 83 hours 25 minutes.
Portsmouth International Airport at Pease – Juneau International Airport
Search flights
Distance from Portsmouth to Juneau
There are several ways to calculate the distance from Portsmouth to Juneau. Here are two standard methods:
Vincenty's formula (applied above)- 2863.661 miles
- 4608.616 kilometers
- 2488.454 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- 2855.855 miles
- 4596.054 kilometers
- 2481.670 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 Portsmouth to Juneau?
The estimated flight time from Portsmouth International Airport at Pease to Juneau International Airport is 5 hours and 55 minutes.
What is the time difference between Portsmouth and Juneau?
The time difference between Portsmouth and Juneau is 4 hours. Juneau is 4 hours behind Portsmouth.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Juneau International Airport (JNU)
On average, flying from Portsmouth to Juneau generates about 318 kg of CO2 per passenger, and 318 kilograms equals 701 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portsmouth to Juneau
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Juneau International Airport (JNU).
Airport information
| Origin | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States  |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |
| Destination | Juneau International Airport |
|---|---|
| City: | Juneau, AK |
| Country: | United States |
| IATA Code: | JNU |
| ICAO Code: | PAJN |
| Coordinates: | 58°21′28″N, 134°34′59″W |