How far is Portsmouth, NH, from Saint John?
The distance between Saint John (Saint John Airport) and Portsmouth (Portsmouth International Airport at Pease) is 290 miles / 466 kilometers / 252 nautical miles.
The driving distance from Saint John (YSJ) to Portsmouth (PSM) is 368 miles / 592 kilometers, and travel time by car is about 7 hours 34 minutes.
Saint John Airport – Portsmouth International Airport at Pease
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Distance from Saint John to Portsmouth
There are several ways to calculate the distance from Saint John to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 289.614 miles
- 466.088 kilometers
- 251.667 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- 289.104 miles
- 465.268 kilometers
- 251.225 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 Saint John to Portsmouth?
The estimated flight time from Saint John Airport to Portsmouth International Airport at Pease is 1 hour and 2 minutes.
What is the time difference between Saint John and Portsmouth?
Flight carbon footprint between Saint John Airport (YSJ) and Portsmouth International Airport at Pease (PSM)
On average, flying from Saint John to Portsmouth generates about 68 kg of CO2 per passenger, and 68 kilograms equals 149 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Saint John to Portsmouth
See the map of the shortest flight path between Saint John Airport (YSJ) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Saint John Airport |
|---|---|
| City: | Saint John |
| Country: | Canada  |
| IATA Code: | YSJ |
| ICAO Code: | CYSJ |
| Coordinates: | 45°18′57″N, 65°53′25″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 |