How far is Portsmouth, NH, from Reading, PA?
The distance between Reading (Reading Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 325 miles / 522 kilometers / 282 nautical miles.
The driving distance from Reading (RDG) to Portsmouth (PSM) is 390 miles / 627 kilometers, and travel time by car is about 8 hours 8 minutes.
Reading Regional Airport – Portsmouth International Airport at Pease
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Distance from Reading to Portsmouth
There are several ways to calculate the distance from Reading to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 324.514 miles
- 522.254 kilometers
- 281.995 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- 324.071 miles
- 521.542 kilometers
- 281.610 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 Reading to Portsmouth?
The estimated flight time from Reading Regional Airport to Portsmouth International Airport at Pease is 1 hour and 6 minutes.
What is the time difference between Reading and Portsmouth?
Flight carbon footprint between Reading Regional Airport (RDG) and Portsmouth International Airport at Pease (PSM)
On average, flying from Reading to Portsmouth generates about 73 kg of CO2 per passenger, and 73 kilograms equals 160 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Reading to Portsmouth
See the map of the shortest flight path between Reading Regional Airport (RDG) and Portsmouth International Airport at Pease (PSM).
Airport information
Origin | Reading Regional Airport |
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City: | Reading, PA |
Country: | United States ![]() |
IATA Code: | RDG |
ICAO Code: | KRDG |
Coordinates: | 40°22′42″N, 75°57′54″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 |