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How far is Brest from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Brest (Brest Bretagne Airport) is 3129 miles / 5036 kilometers / 2719 nautical miles.

Portsmouth International Airport at Pease – Brest Bretagne Airport

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3129
Miles
Distance arrow
5036
Kilometers
Distance arrow
2719
Nautical miles

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Distance from Portsmouth to Brest

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

Vincenty's formula (applied above)
  • 3129.414 miles
  • 5036.304 kilometers
  • 2719.387 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
  • 3120.713 miles
  • 5022.300 kilometers
  • 2711.825 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 Brest?

The estimated flight time from Portsmouth International Airport at Pease to Brest Bretagne Airport is 6 hours and 25 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Brest Bretagne Airport (BES)

On average, flying from Portsmouth to Brest generates about 350 kg of CO2 per passenger, and 350 kilograms equals 771 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portsmouth to Brest

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Brest Bretagne Airport (BES).

Airport information

Origin 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
Destination Brest Bretagne Airport
City: Brest
Country: France Flag of France
IATA Code: BES
ICAO Code: LFRB
Coordinates: 48°26′52″N, 4°25′6″W