Nonstop flight route between Sabah, Malaysia and Hyder, Alaska, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from SMM to WHD:
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- About this route
- SMM Airport Information
- WHD Airport Information
- Facts about SMM
- Facts about WHD
- Map of Nearest Airports to SMM
- List of Nearest Airports to SMM
- Map of Furthest Airports from SMM
- List of Furthest Airports from SMM
- Map of Nearest Airports to WHD
- List of Nearest Airports to WHD
- Map of Furthest Airports from WHD
- List of Furthest Airports from WHD
About this route:
A direct, nonstop flight between Semporna Airport (SMM), Sabah, Malaysia and Hyder Seaplane Base (WHD), Hyder, Alaska, United States would travel a Great Circle distance of 6,773 miles (or 10,900 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 Semporna Airport and Hyder Seaplane Base, 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 Semporna Airport and Hyder Seaplane Base. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | SMM / WBKA | 
| Airport Names: | 
 | 
| Location: | Sabah, Malaysia | 
| GPS Coordinates: | 4°26'58"N by 118°35'47"E | 
| Area Served: | Semporna, Sabah, Malaysia | 
| Operator/Owner: | Malaysia Airports Berhad | 
| Airport Type: | Public | 
| Elevation: | 60 feet (18 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from SMM | 
| More Information: | SMM Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | WHD / | 
| Airport Names: | 
 | 
| Location: | Hyder, Alaska, United States | 
| GPS Coordinates: | 55°54'11"N by 130°0'24"W | 
| Area Served: | Hyder, Alaska | 
| Operator/Owner: | Alaska DOT&PF - Southeast Region | 
| Airport Type: | Public | 
| Elevation: | 0 feet (0 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from WHD | 
| More Information: | WHD Maps & Info | 
Facts about Semporna Airport (SMM):
- Semporna Airport (SMM) currently has only 1 runway.
- Because of Semporna Airport's relatively low elevation of 60 feet, planes can take off or land at Semporna 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 Semporna Airport (SMM) is Coari Airport (CIZ), which is nearly antipodal to Semporna Airport (meaning Semporna Airport is almost on the exact opposite side of the Earth from Coari Airport), and is located 12,316 miles (19,820 kilometers) away in Coari, Amazonas, Brazil.
- In addition to being known as "Semporna Airport", another name for SMM is "Lapangan Terbang Semporna".
- The closest airport to Semporna Airport (SMM) is Tawau Airport (TWU), which is located 34 miles (55 kilometers) WSW of SMM.
Facts about Hyder Seaplane Base (WHD):
- In addition to being known as "Hyder Seaplane Base", another name for WHD is "4Z7".
- Because of Hyder Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Hyder 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.
- The furthest airport from Hyder Seaplane Base (WHD) is Port Alfred Airport (AFD), which is located 10,540 miles (16,962 kilometers) away in Port Alfred, South Africa.
- Hyder Seaplane Base has one seaplane landing area designated N/S with a water surface measuring 10,000 by 1,000 feet.
- The closest airport to Hyder Seaplane Base (WHD) is Stewart Aerodrome (ZST), which is located only 2 miles (4 kilometers) NNE of WHD.
- Hyder Seaplane Base (WHD) currently has only 1 runway.




