Nonstop flight route between Cape Newenham, Alaska, United States and Ottawa, Ontario, Canada:
Departure Airport:
 
    Arrival Airport:
 
    Distance from EHM to YOW:
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- About this route
- EHM Airport Information
- YOW Airport Information
- Facts about EHM
- Facts about YOW
- Map of Nearest Airports to EHM
- List of Nearest Airports to EHM
- Map of Furthest Airports from EHM
- List of Furthest Airports from EHM
- Map of Nearest Airports to YOW
- List of Nearest Airports to YOW
- Map of Furthest Airports from YOW
- List of Furthest Airports from YOW
About this route:
A direct, nonstop flight between Cape Newenham LRRS Airport (EHM), Cape Newenham, Alaska, United States and Ottawa Macdonald–Cartier International Airport (YOW), Ottawa, Ontario, Canada would travel a Great Circle distance of 3,519 miles (or 5,663 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Cape Newenham LRRS Airport and Ottawa Macdonald–Cartier International Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Cape Newenham LRRS Airport and Ottawa Macdonald–Cartier International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | EHM / PAEH | 
| Airport Name: | Cape Newenham LRRS Airport | 
| Location: | Cape Newenham, Alaska, United States | 
| GPS Coordinates: | 58°38'47"N by 162°3'46"W | 
| Operator/Owner: | U.S. Air Force | 
| Airport Type: | Military | 
| Elevation: | 541 feet (165 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from EHM | 
| More Information: | EHM Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | YOW / CYOW | 
| Airport Name: | Ottawa Macdonald–Cartier International Airport | 
| Location: | Ottawa, Ontario, Canada | 
| GPS Coordinates: | 45°19'20"N by 75°40'1"W | 
| Area Served: | Ottawa, Ontario | 
| Operator/Owner: | Transport Canada | 
| Airport Type: | Public | 
| Elevation: | 374 feet (114 meters) | 
| # of Runways: | 3 | 
| View all routes: | Routes from YOW | 
| More Information: | YOW Maps & Info | 
Facts about Cape Newenham LRRS Airport (EHM):
- It is not staffed by any support personnel, and is not open to the public.
- Because of Cape Newenham LRRS Airport's relatively low elevation of 541 feet, planes can take off or land at Cape Newenham LRRS Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- Cape Newenham LRRS Airport (EHM) currently has only 1 runway.
- The closest airport to Cape Newenham LRRS Airport (EHM) is Platinum Airport (PTU), which is located 27 miles (43 kilometers) NNE of EHM.
- The furthest airport from Cape Newenham LRRS Airport (EHM) is Cape Town International Airport (CPT), which is located 10,732 miles (17,271 kilometers) away in Cape Town, South Africa.
Facts about Ottawa Macdonald–Cartier International Airport (YOW):
- Ottawa Macdonald–Cartier International Airport (YOW) has 3 runways.
- The closest airport to Ottawa Macdonald–Cartier International Airport (YOW) is Ottawa/Rockcliffe Airport (YRO), which is located only 10 miles (15 kilometers) N of YOW.
- In 2003, the Ottawa Macdonald–Cartier International Airport Authority unveiled its new passenger terminal building.
- The airport's board of directors approved a further expansion of the airport's passenger terminal on April 4, 2006.
- During the 1950s, while the airport was still named Uplands and a joint-use civilian/military field, it was the busiest airport in Canada by takeoffs and landings, reaching a peak of 307,079 aircraft movements in 1959, nearly double its current traffic.
- The airport actually consists of two distinct airfields connected by a taxiway.
- On July 14, 2004, US Airways Express Flight 3504, an Embraer ERJ-145LR operated by Trans States Airlines, overran the runway and sustained minor damage to the inboard left main landing gear tire.
- The 2010 Airport Service Quality Award for Best Airport in the World for the 2–5 million passengers category went to Ottawa Airport.
- Because of Ottawa Macdonald–Cartier International Airport's relatively low elevation of 374 feet, planes can take off or land at Ottawa Macdonald–Cartier International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- The furthest airport from Ottawa Macdonald–Cartier International Airport (YOW) is Margaret River Airport (MGV), which is located 11,465 miles (18,451 kilometers) away in Margaret River, Western Australia, Australia.




