Air Miles Calculator logo

How far is Portsmouth, NH, from St. John's?

The distance between St. John's (St. John's International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 932 miles / 1499 kilometers / 810 nautical miles.

The driving distance from St. John's (YYT) to Portsmouth (PSM) is 2249 miles / 3620 kilometers, and travel time by car is about 54 hours 26 minutes.

St. John's International Airport – Portsmouth International Airport at Pease

Distance arrow
932
Miles
Distance arrow
1499
Kilometers
Distance arrow
810
Nautical miles
Flight time duration
2 h 15 min
Time Difference
1 h 30 min
CO2 emission
146 kg

Search flights

Distance from St. John's to Portsmouth

There are several ways to calculate the distance from St. John's to Portsmouth. Here are two standard methods:

Vincenty's formula (applied above)
  • 931.562 miles
  • 1499.203 kilometers
  • 809.505 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
  • 929.295 miles
  • 1495.556 kilometers
  • 807.536 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 St. John's to Portsmouth?

The estimated flight time from St. John's International Airport to Portsmouth International Airport at Pease is 2 hours and 15 minutes.

Flight carbon footprint between St. John's International Airport (YYT) and Portsmouth International Airport at Pease (PSM)

On average, flying from St. John's to Portsmouth generates about 146 kg of CO2 per passenger, and 146 kilograms equals 322 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St. John's to Portsmouth

See the map of the shortest flight path between St. John's International Airport (YYT) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin St. John's International Airport
City: St. John's
Country: Canada Flag of Canada
IATA Code: YYT
ICAO Code: CYYT
Coordinates: 47°37′6″N, 52°45′6″W
Destination Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W