The distance from Portsmouth International Airport at Pease to Ottawa, Ontario is:

416 miles / 669 km driving

291 miles / 468 km flying

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Distance from PSM to Ottawa, Canada

The total driving distance from PSM to Ottawa, Canada is 416 miles or 669 kilometers.

The total straight line flight distance from PSM to Ottawa, Canada is 291 miles.

This is equivalent to 468 kilometers or 253 nautical miles.

Your trip begins at Portsmouth International Airport at Pease in Portsmouth, New Hampshire. It ends in Ottawa, Canada.

Your flight direction from PSM to Ottawa, Canada is Northwest (-55 degrees from North).

The distance calculator helps you figure out how far it is to get from PSM to Ottawa, Canada. It does this by computing the straight line flying distance ("as the crow flies") and the driving distance if the route is drivable. It uses all this data to compute the total travel mileage.

Portsmouth International Airport at Pease

City: Portsmouth
State: New Hampshire
Zip code: 03801
Country: United States
Category: airports

Ottawa, Ontario

City: Ottawa
Province: Ontario
Country: Canada
Category: cities

Distance calculator

Travelmath helps you find distances based on actual road trip directions, or the straight line flight distance. You can get the distance between cities, airports, states, countries, or zip codes to figure out the best route to travel to your destination. Compare the results to the straight line distance to determine whether it's better to drive or fly. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flying distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips. You can also print out pages with a travel map.

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