How far is Reading, PA, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Reading (Reading Regional Airport) is 325 miles / 522 kilometers / 282 nautical miles.
The driving distance from Portsmouth (PSM) to Reading (RDG) is 390 miles / 627 kilometers, and travel time by car is about 8 hours 8 minutes.
Portsmouth International Airport at Pease – Reading Regional Airport
Search flights
Distance from Portsmouth to Reading
There are several ways to calculate the distance from Portsmouth to Reading. 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 Portsmouth to Reading?
The estimated flight time from Portsmouth International Airport at Pease to Reading Regional Airport is 1 hour and 6 minutes.
What is the time difference between Portsmouth and Reading?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Reading Regional Airport (RDG)
On average, flying from Portsmouth to Reading 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 Portsmouth to Reading
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Reading Regional Airport (RDG).
Airport information
| Origin | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States  |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |
| Destination | Reading Regional Airport |
|---|---|
| City: | Reading, PA |
| Country: | United States |
| IATA Code: | RDG |
| ICAO Code: | KRDG |
| Coordinates: | 40°22′42″N, 75°57′54″W |