Nonstop flight route between Port Alexander, Alaska, United States and Ballina, New South Wales, Australia:
Departure Airport:
 
    Arrival Airport:
 
    Distance from PTD to BNK:
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- About this route
- PTD Airport Information
- BNK Airport Information
- Facts about PTD
- Facts about BNK
- Map of Nearest Airports to PTD
- List of Nearest Airports to PTD
- Map of Furthest Airports from PTD
- List of Furthest Airports from PTD
- Map of Nearest Airports to BNK
- List of Nearest Airports to BNK
- Map of Furthest Airports from BNK
- List of Furthest Airports from BNK
About this route:
A direct, nonstop flight between Port Alexander Seaplane Base (PTD), Port Alexander, Alaska, United States and Ballina Byron Gateway Airport (BNK), Ballina, New South Wales, Australia would travel a Great Circle distance of 7,214 miles (or 11,610 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 Port Alexander Seaplane Base and Ballina Byron Gateway 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 Port Alexander Seaplane Base and Ballina Byron Gateway Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | PTD / PAAP | 
| Airport Names: | 
 | 
| Location: | Port Alexander, Alaska, United States | 
| GPS Coordinates: | 56°14'48"N by 134°38'53"W | 
| Area Served: | Port Alexander, Alaska | 
| Operator/Owner: | Alaska DOT&PF - Southeast Region | 
| Airport Type: | Public | 
| Elevation: | 0 feet (0 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from PTD | 
| More Information: | PTD Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | BNK / YBNA | 
| Airport Name: | Ballina Byron Gateway Airport | 
| Location: | Ballina, New South Wales, Australia | 
| GPS Coordinates: | 28°49'59"S by 153°33'42"E | 
| Operator/Owner: | Ballina Shire Council | 
| Airport Type: | Public | 
| Elevation: | 7 feet (2 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from BNK | 
| More Information: | BNK Maps & Info | 
Facts about Port Alexander Seaplane Base (PTD):
- As per Federal Aviation Administration records, the airport had 139 passenger boardings in calendar year 2008, 189 enplanements in 2009, and 146 in 2010.
- In addition to being known as "Port Alexander Seaplane Base", another name for PTD is "AHP".
- Because of Port Alexander Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Port Alexander Seaplane Base 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.
- Port Alexander Seaplane Base (PTD) currently has only 1 runway.
- Port Alexander Seaplane Base has one seaplane landing area designated N/S which measures 3,000 by 300 feet.
- Port Alexander Seaplane Base is a state owned, public use seaplane base located in Port Alexander, a city at the southeastern corner of Baranof Island in the Petersburg Census Area of the U.S.
- The furthest airport from Port Alexander Seaplane Base (PTD) is Port Alfred Airport (AFD), which is located 10,640 miles (17,123 kilometers) away in Port Alfred, South Africa.
- The closest airport to Port Alexander Seaplane Base (PTD) is Point Baker Seaplane Base (KPB), which is located 40 miles (64 kilometers) E of PTD.
Facts about Ballina Byron Gateway Airport (BNK):
- Ballina Byron Gateway Airport handled 291,322 passengers last year.
- The furthest airport from Ballina Byron Gateway Airport (BNK) is La Palma Airport (SPC), which is located 11,911 miles (19,168 kilometers) away in La Palma, Canary Islands, Spain.
- The closest airport to Ballina Byron Gateway Airport (BNK) is Lismore Airport (LSY), which is located only 18 miles (29 kilometers) W of BNK.
- Because of Ballina Byron Gateway Airport's relatively low elevation of 7 feet, planes can take off or land at Ballina Byron Gateway 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.
- It is 5 km from the Ballina CBD, in Southern Cross Drive.
- Ballina Byron Gateway Airport (BNK) currently has only 1 runway.
- It serves Ballina and the nearby town of Byron Bay, a 20 minute drive north.




