How far is Ottawa from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Ottawa (Ottawa Macdonald–Cartier International Airport) is 286 miles / 461 kilometers / 249 nautical miles.
The driving distance from Portsmouth (PSM) to Ottawa (YOW) is 424 miles / 682 kilometers, and travel time by car is about 8 hours 33 minutes.
Portsmouth International Airport at Pease – Ottawa Macdonald–Cartier International Airport
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Distance from Portsmouth to Ottawa
There are several ways to calculate the distance from Portsmouth to Ottawa. Here are two standard methods:
Vincenty's formula (applied above)- 286.194 miles
- 460.584 kilometers
- 248.695 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- 285.699 miles
- 459.787 kilometers
- 248.265 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 Ottawa?
The estimated flight time from Portsmouth International Airport at Pease to Ottawa Macdonald–Cartier International Airport is 1 hour and 2 minutes.
What is the time difference between Portsmouth and Ottawa?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Ottawa Macdonald–Cartier International Airport (YOW)
On average, flying from Portsmouth to Ottawa generates about 67 kg of CO2 per passenger, and 67 kilograms equals 148 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 Ottawa
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Ottawa Macdonald–Cartier International Airport (YOW).
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 | Ottawa Macdonald–Cartier International Airport |
|---|---|
| City: | Ottawa |
| Country: | Canada  |
| IATA Code: | YOW |
| ICAO Code: | CYOW |
| Coordinates: | 45°19′20″N, 75°40′9″W |