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

The distance between Billings (Billings Logan International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1858 miles / 2990 kilometers / 1614 nautical miles.

The driving distance from Billings (BIL) to Portsmouth (PSM) is 2174 miles / 3498 kilometers, and travel time by car is about 41 hours 26 minutes.

Billings Logan International Airport – Portsmouth International Airport at Pease

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1858
Miles
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2990
Kilometers
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1614
Nautical miles

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Distance from Billings to Portsmouth

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

Vincenty's formula (applied above)
  • 1857.880 miles
  • 2989.968 kilometers
  • 1614.454 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
  • 1852.824 miles
  • 2981.831 kilometers
  • 1610.060 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 Billings to Portsmouth?

The estimated flight time from Billings Logan International Airport to Portsmouth International Airport at Pease is 4 hours and 1 minutes.

Flight carbon footprint between Billings Logan International Airport (BIL) and Portsmouth International Airport at Pease (PSM)

On average, flying from Billings to Portsmouth generates about 205 kg of CO2 per passenger, and 205 kilograms equals 451 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Billings to Portsmouth

See the map of the shortest flight path between Billings Logan International Airport (BIL) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Billings Logan International Airport
City: Billings, MT
Country: United States Flag of United States
IATA Code: BIL
ICAO Code: KBIL
Coordinates: 45°48′27″N, 108°32′34″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