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How far is Portsmouth, NH, from Rochester, MN?

The distance between Rochester (Rochester International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1088 miles / 1751 kilometers / 945 nautical miles.

The driving distance from Rochester (RST) to Portsmouth (PSM) is 1297 miles / 2087 kilometers, and travel time by car is about 25 hours 45 minutes.

Rochester International Airport – Portsmouth International Airport at Pease

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1088
Miles
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1751
Kilometers
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945
Nautical miles

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Distance from Rochester to Portsmouth

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

Vincenty's formula (applied above)
  • 1087.852 miles
  • 1750.728 kilometers
  • 945.317 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
  • 1084.922 miles
  • 1746.013 kilometers
  • 942.772 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 Rochester to Portsmouth?

The estimated flight time from Rochester International Airport to Portsmouth International Airport at Pease is 2 hours and 33 minutes.

Flight carbon footprint between Rochester International Airport (RST) and Portsmouth International Airport at Pease (PSM)

On average, flying from Rochester to Portsmouth generates about 156 kg of CO2 per passenger, and 156 kilograms equals 344 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rochester to Portsmouth

See the map of the shortest flight path between Rochester International Airport (RST) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Rochester International Airport
City: Rochester, MN
Country: United States Flag of United States
IATA Code: RST
ICAO Code: KRST
Coordinates: 43°54′29″N, 92°30′0″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