Air Miles Calculator logo

How far is Portsmouth, NH, from Bozeman, MT?

The distance between Bozeman (Bozeman Yellowstone International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1983 miles / 3191 kilometers / 1723 nautical miles.

The driving distance from Bozeman (BZN) to Portsmouth (PSM) is 2323 miles / 3738 kilometers, and travel time by car is about 43 hours 51 minutes.

Bozeman Yellowstone International Airport – Portsmouth International Airport at Pease

Distance arrow
1983
Miles
Distance arrow
3191
Kilometers
Distance arrow
1723
Nautical miles

Search flights

Distance from Bozeman to Portsmouth

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

Vincenty's formula (applied above)
  • 1982.866 miles
  • 3191.114 kilometers
  • 1723.064 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
  • 1977.462 miles
  • 3182.417 kilometers
  • 1718.368 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 Bozeman to Portsmouth?

The estimated flight time from Bozeman Yellowstone International Airport to Portsmouth International Airport at Pease is 4 hours and 15 minutes.

Flight carbon footprint between Bozeman Yellowstone International Airport (BZN) and Portsmouth International Airport at Pease (PSM)

On average, flying from Bozeman to Portsmouth generates about 216 kg of CO2 per passenger, and 216 kilograms equals 476 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Bozeman to Portsmouth

See the map of the shortest flight path between Bozeman Yellowstone International Airport (BZN) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Bozeman Yellowstone International Airport
City: Bozeman, MT
Country: United States Flag of United States
IATA Code: BZN
ICAO Code: KBZN
Coordinates: 45°46′39″N, 111°9′10″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