Nonstop flight route between Kobuk, Alaska, United States and Trenton, Ontario, Canada:
Departure Airport:
 
    Arrival Airport:
 
    Distance from OBU to YTR:
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- About this route
- OBU Airport Information
- YTR Airport Information
- Facts about OBU
- Facts about YTR
- Map of Nearest Airports to OBU
- List of Nearest Airports to OBU
- Map of Furthest Airports from OBU
- List of Furthest Airports from OBU
- Map of Nearest Airports to YTR
- List of Nearest Airports to YTR
- Map of Furthest Airports from YTR
- List of Furthest Airports from YTR
About this route:
A direct, nonstop flight between Kobuk Airport (OBU), Kobuk, Alaska, United States and Canadian Forces Base Trenton (YTR), Trenton, Ontario, Canada would travel a Great Circle distance of 3,191 miles (or 5,136 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 Kobuk Airport and Canadian Forces Base Trenton, 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 Kobuk Airport and Canadian Forces Base Trenton. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | OBU / | 
| Airport Names: | 
 | 
| Location: | Kobuk, Alaska, United States | 
| GPS Coordinates: | 66°54'43"N by 156°53'49"W | 
| Area Served: | Kobuk, Alaska | 
| Operator/Owner: | State of Alaska DOT&PF | 
| Airport Type: | Public | 
| Elevation: | 142 feet (43 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from OBU | 
| More Information: | OBU Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | YTR / CYTR | 
| Airport Names: | 
 | 
| Location: | Trenton, Ontario, Canada | 
| GPS Coordinates: | 44°7'8"N by 77°31'41"W | 
| Operator/Owner: | The Queen in Right of Canada | 
| Airport Type: | Military | 
| Elevation: | 283 feet (86 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from YTR | 
| More Information: | YTR Maps & Info | 
Facts about Kobuk Airport (OBU):
- In addition to being known as "Kobuk Airport", another name for OBU is "PAOB".
- The furthest airport from Kobuk Airport (OBU) is George Airport (GRJ), which is located 10,163 miles (16,356 kilometers) away in George, South Africa.
- Kobuk Airport (OBU) currently has only 1 runway.
- Because of Kobuk Airport's relatively low elevation of 142 feet, planes can take off or land at Kobuk 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.
- Kobuk Airport covers an area of 167 acres at an elevation of 142 feet above mean sea level.
- The closest airport to Kobuk Airport (OBU) is Dahl Creek Airport (DCK), which is located only 2 miles (3 kilometers) N of OBU.
Facts about Canadian Forces Base Trenton (YTR):
- In addition to being known as "Canadian Forces Base Trenton", another name for YTR is "Trenton Airport".
- Canada upgraded its transport and search and rescue fleets during the 1960s when the RCAF purchased the CC-137 Husky, CC-130 Hercules, CH-113 Labrador and CC-115 Buffalo aircraft.
- Construction of a new air traffic control tower was completed in July 2010.
- A contract for new training accommodations is expected to be awarded in 2010, with construction tentatively set for completion by summer 2012.
- Canadian Forces Base Trenton (YTR) currently has only 1 runway.
- The closest airport to Canadian Forces Base Trenton (YTR) is Peterborough Airport (YPQ), which is located 42 miles (68 kilometers) W of YTR.
- The furthest airport from Canadian Forces Base Trenton (YTR) is Margaret River Airport (MGV), which is located 11,462 miles (18,446 kilometers) away in Margaret River, Western Australia, Australia.
- Because of Canadian Forces Base Trenton's relatively low elevation of 283 feet, planes can take off or land at Canadian Forces Base Trenton 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.
- Temporary storage facilities were built at the base for the CC-177 Globemaster III.
- A 17,500 m2 Electrical and Mechanical Engineering and transportation garage valued at $75 million is being built.




