Nonstop flight route between Ada, Oklahoma, United States and Ulukhaktok, Northwest Territories, Canada:
Departure Airport:
Arrival Airport:
Distance from ADT to YHI:
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- About this route
 - ADT Airport Information
 - YHI Airport Information
 - Facts about ADT
 - Facts about YHI
 - Map of Nearest Airports to ADT
 - List of Nearest Airports to ADT
 - Map of Furthest Airports from ADT
 - List of Furthest Airports from ADT
 - Map of Nearest Airports to YHI
 - List of Nearest Airports to YHI
 - Map of Furthest Airports from YHI
 - List of Furthest Airports from YHI
 
About this route:
A direct, nonstop flight between Ada Municipal Airport (ADT), Ada, Oklahoma, United States and Ulukhaktok/Holman Airport (YHI), Ulukhaktok, Northwest Territories, Canada would travel a Great Circle distance of 2,605 miles (or 4,192 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 Ada Municipal Airport and Ulukhaktok/Holman 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 Ada Municipal Airport and Ulukhaktok/Holman Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | ADT / KADH | 
| Airport Names: | 
                    
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| Location: | Ada, Oklahoma, United States | 
| GPS Coordinates: | 34°48'15"N by 96°40'17"W | 
| Operator/Owner: | City of Ada | 
| Airport Type: | Public | 
| Elevation: | 1016 feet (310 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from ADT | 
| More Information: | ADT Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | YHI / CYHI | 
| Airport Name: | Ulukhaktok/Holman Airport | 
| Location: | Ulukhaktok, Northwest Territories, Canada | 
| GPS Coordinates: | 70°45'46"N by 117°48'21"W | 
| Operator/Owner: | Government of Northwest Territories | 
| Airport Type: | Public | 
| Elevation: | 117 feet (36 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from YHI | 
| More Information: | YHI Maps & Info | 
Facts about Ada Municipal Airport (ADT):
- The closest airport to Ada Municipal Airport (ADT) is Ardmore Municipal Airport (ADM), which is located 40 miles (64 kilometers) SSW of ADT.
 - In addition to being known as "Ada Municipal Airport", another name for ADT is "ADH".
 - Ada Municipal Airport (ADT) has 2 runways.
 - The furthest airport from Ada Municipal Airport (ADT) is Sir Gaëtan Duval Airport (RRG), which is located 10,835 miles (17,437 kilometers) away in Rodrigues Island, Mauritius.
 
Facts about Ulukhaktok/Holman Airport (YHI):
- Gravel for the runway was obtained from the north bank of the Okpilik River and the area was left untouched.
 - The furthest airport from Ulukhaktok/Holman Airport (YHI) is Teniente Rodolfo Marsh Airport (TNM), which is located 9,609 miles (15,464 kilometers) away in Villa Las Estrellas, Antarctica.
 - Ulukhaktok/Holman Airport (YHI) currently has only 1 runway.
 - The runway is the standard gravel strip that is seen in most Canadian Arctic communities and is 4,300 by 100 ft with the centre 117 ft above sea leavel.
 - The closest airport to Ulukhaktok/Holman Airport (YHI) is Paulatuk (Nora Aliqatchialuk Ruben) Airport (YPC), which is located 177 miles (284 kilometers) WSW of YHI.
 - Because of Ulukhaktok/Holman Airport's relatively low elevation of 117 feet, planes can take off or land at Ulukhaktok/Holman 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 original buildings at the airport included a two-story airport terminal, an emergency power generator building and the aircraft refueling station.
 - By early 1979 the snow problem was so great that the runway was no longer a straight line.
 
