How far is Portsmouth, NH, from Roswell, NM?
The distance between Roswell (Roswell International Air Center) and Portsmouth (Portsmouth International Airport at Pease) is 1939 miles / 3121 kilometers / 1685 nautical miles.
The driving distance from Roswell (ROW) to Portsmouth (PSM) is 2207 miles / 3552 kilometers, and travel time by car is about 40 hours 57 minutes.
Roswell International Air Center – Portsmouth International Airport at Pease
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Distance from Roswell to Portsmouth
There are several ways to calculate the distance from Roswell to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 1939.159 miles
- 3120.773 kilometers
- 1685.083 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- 1935.494 miles
- 3114.876 kilometers
- 1681.898 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 Roswell to Portsmouth?
The estimated flight time from Roswell International Air Center to Portsmouth International Airport at Pease is 4 hours and 10 minutes.
What is the time difference between Roswell and Portsmouth?
Flight carbon footprint between Roswell International Air Center (ROW) and Portsmouth International Airport at Pease (PSM)
On average, flying from Roswell to Portsmouth generates about 212 kg of CO2 per passenger, and 212 kilograms equals 467 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Roswell to Portsmouth
See the map of the shortest flight path between Roswell International Air Center (ROW) and Portsmouth International Airport at Pease (PSM).
Airport information
Origin | Roswell International Air Center |
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City: | Roswell, NM |
Country: | United States ![]() |
IATA Code: | ROW |
ICAO Code: | KROW |
Coordinates: | 33°18′5″N, 104°31′51″W |
Destination | Portsmouth International Airport at Pease |
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City: | Portsmouth, NH |
Country: | United States ![]() |
IATA Code: | PSM |
ICAO Code: | KPSM |
Coordinates: | 43°4′40″N, 70°49′23″W |