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How far is Portsmouth, NH, from Toronto?

The distance between Toronto (Billy Bishop Toronto City Airport) and Portsmouth (Portsmouth International Airport at Pease) is 433 miles / 697 kilometers / 377 nautical miles.

The driving distance from Toronto (YTZ) to Portsmouth (PSM) is 605 miles / 973 kilometers, and travel time by car is about 12 hours 4 minutes.

Billy Bishop Toronto City Airport – Portsmouth International Airport at Pease

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433
Miles
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697
Kilometers
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377
Nautical miles

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Distance from Toronto to Portsmouth

There are several ways to calculate the distance from Toronto to Portsmouth. Here are two standard methods:

Vincenty's formula (applied above)
  • 433.340 miles
  • 697.393 kilometers
  • 376.562 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
  • 432.184 miles
  • 695.533 kilometers
  • 375.558 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 Toronto to Portsmouth?

The estimated flight time from Billy Bishop Toronto City Airport to Portsmouth International Airport at Pease is 1 hour and 19 minutes.

What is the time difference between Toronto and Portsmouth?

There is no time difference between Toronto and Portsmouth.

Flight carbon footprint between Billy Bishop Toronto City Airport (YTZ) and Portsmouth International Airport at Pease (PSM)

On average, flying from Toronto to Portsmouth generates about 89 kg of CO2 per passenger, and 89 kilograms equals 196 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Toronto to Portsmouth

See the map of the shortest flight path between Billy Bishop Toronto City Airport (YTZ) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Billy Bishop Toronto City Airport
City: Toronto
Country: Canada Flag of Canada
IATA Code: YTZ
ICAO Code: CYTZ
Coordinates: 43°37′38″N, 79°23′46″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