Nonstop flight route between Chefornak, Alaska, United States and DuBois, Pennsylvania, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from CYF to DUJ:
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- About this route
- CYF Airport Information
- DUJ Airport Information
- Facts about CYF
- Facts about DUJ
- Map of Nearest Airports to CYF
- List of Nearest Airports to CYF
- Map of Furthest Airports from CYF
- List of Furthest Airports from CYF
- Map of Nearest Airports to DUJ
- List of Nearest Airports to DUJ
- Map of Furthest Airports from DUJ
- List of Furthest Airports from DUJ
About this route:
A direct, nonstop flight between Chefornak Airport (CYF), Chefornak, Alaska, United States and DuBois Regional Airport (DUJ), DuBois, Pennsylvania, United States would travel a Great Circle distance of 3,665 miles (or 5,898 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 Chefornak Airport and DuBois Regional 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 Chefornak Airport and DuBois Regional Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | CYF / PACK | 
| Airport Names: | 
 | 
| Location: | Chefornak, Alaska, United States | 
| GPS Coordinates: | 60°8'57"N by 164°17'8"W | 
| Area Served: | Chefornak, Alaska | 
| Operator/Owner: | State of Alaska DOT&PF | 
| Airport Type: | Public | 
| Elevation: | 40 feet (12 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from CYF | 
| More Information: | CYF Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | DUJ / KDUJ | 
| Airport Name: | DuBois Regional Airport | 
| Location: | DuBois, Pennsylvania, United States | 
| GPS Coordinates: | 41°10'41"N by 78°53'54"W | 
| Area Served: | DuBois, Clearfield County, Pennsylvania | 
| Airport Type: | Public | 
| Elevation: | 1817 feet (554 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from DUJ | 
| More Information: | DUJ Maps & Info | 
Facts about Chefornak Airport (CYF):
- In addition to being known as "Chefornak Airport", another name for CYF is "CFK".
- The closest airport to Chefornak Airport (CYF) is Kipnuk Airport (KPN), which is located only 17 miles (28 kilometers) SSE of CYF.
- The furthest airport from Chefornak Airport (CYF) is Cape Town International Airport (CPT), which is located 10,623 miles (17,096 kilometers) away in Cape Town, South Africa.
- Because of Chefornak Airport's relatively low elevation of 40 feet, planes can take off or land at Chefornak 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.
- A new airstrip has been built further out from the village due to concerns with the current airstrip being near the school and pedestrian traffic, however, the runway must settle for several years before it is ready to be used.
- Chefornak Airport (CYF) currently has only 1 runway.
Facts about DuBois Regional Airport (DUJ):
- DuBois Regional Airport (DUJ) currently has only 1 runway.
- The closest airport to DuBois Regional Airport (DUJ) is St. Marys Municipal Airport (STQ), which is located 26 miles (42 kilometers) NE of DUJ.
- The furthest airport from DuBois Regional Airport (DUJ) is Margaret River Airport (MGV), which is located 11,523 miles (18,544 kilometers) away in Margaret River, Western Australia, Australia.
- In the early 1950s the City of DuBois created a Municipal Airport Authority which looked into means of expanding the existing DuBois City Airport, in the Oklahoma section, east of the city.




