How far is Portsmouth, NH, from Harrisburg, PA?
The distance between Harrisburg (Harrisburg International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 366 miles / 589 kilometers / 318 nautical miles.
The driving distance from Harrisburg (MDT) to Portsmouth (PSM) is 449 miles / 722 kilometers, and travel time by car is about 9 hours 7 minutes.
Harrisburg International Airport – Portsmouth International Airport at Pease
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Distance from Harrisburg to Portsmouth
There are several ways to calculate the distance from Harrisburg to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 366.199 miles
- 589.341 kilometers
- 318.219 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- 365.656 miles
- 588.467 kilometers
- 317.747 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 Harrisburg to Portsmouth?
The estimated flight time from Harrisburg International Airport to Portsmouth International Airport at Pease is 1 hour and 11 minutes.
What is the time difference between Harrisburg and Portsmouth?
There is no time difference between Harrisburg and Portsmouth.
Flight carbon footprint between Harrisburg International Airport (MDT) and Portsmouth International Airport at Pease (PSM)
On average, flying from Harrisburg to Portsmouth generates about 79 kg of CO2 per passenger, and 79 kilograms equals 174 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Harrisburg to Portsmouth
See the map of the shortest flight path between Harrisburg International Airport (MDT) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Harrisburg International Airport |
|---|---|
| City: | Harrisburg, PA |
| Country: | United States  |
| IATA Code: | MDT |
| ICAO Code: | KMDT |
| Coordinates: | 40°11′36″N, 76°45′48″W |
| Destination | 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 |