Nonstop flight route between Circle Hot Springs, Alaska, United States and Thorne Bay, Alaska, United States:
Departure Airport:
Arrival Airport:
Distance from CHP to KTB:
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- About this route
 - CHP Airport Information
 - KTB Airport Information
 - Facts about CHP
 - Facts about KTB
 - Map of Nearest Airports to CHP
 - List of Nearest Airports to CHP
 - Map of Furthest Airports from CHP
 - List of Furthest Airports from CHP
 - Map of Nearest Airports to KTB
 - List of Nearest Airports to KTB
 - Map of Furthest Airports from KTB
 - List of Furthest Airports from KTB
 
About this route:
A direct, nonstop flight between Circle Hot Springs Airport (CHP), Circle Hot Springs, Alaska, United States and Thorne Bay Seaplane Base (KTB), Thorne Bay, Alaska, United States would travel a Great Circle distance of 788 miles (or 1,269 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 relatively short distance between Circle Hot Springs Airport and Thorne Bay Seaplane Base, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | CHP / | 
| Airport Name: | Circle Hot Springs Airport | 
| Location: | Circle Hot Springs, Alaska, United States | 
| GPS Coordinates: | 65°29'8"N by 144°36'38"W | 
| Area Served: | Circle Hot Springs, Alaska | 
| Operator/Owner: | Alaska DOT&PF - Northern Region | 
| Airport Type: | Public | 
| Elevation: | 956 feet (291 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from CHP | 
| More Information: | CHP Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | KTB / | 
| Airport Name: | Thorne Bay Seaplane Base | 
| Location: | Thorne Bay, Alaska, United States | 
| GPS Coordinates: | 55°41'17"N by 132°32'12"W | 
| Area Served: | Thorne Bay, Alaska | 
| Operator/Owner: | State of Alaska DOT&PF - Southeast Region | 
| Airport Type: | Public | 
| Elevation: | 0 feet (0 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from KTB | 
| More Information: | KTB Maps & Info | 
Facts about Circle Hot Springs Airport (CHP):
- The furthest airport from Circle Hot Springs Airport (CHP) is Port Elizabeth International Airport (PLZ), which is located 10,223 miles (16,452 kilometers) away in Port Elizabeth, South Africa.
 - Circle Hot Springs Airport (CHP) currently has only 1 runway.
 - Because of Circle Hot Springs Airport's relatively low elevation of 956 feet, planes can take off or land at Circle Hot Springs 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 closest airport to Circle Hot Springs Airport (CHP) is Central Airport (CEM), which is located only 8 miles (13 kilometers) NW of CHP.
 
Facts about Thorne Bay Seaplane Base (KTB):
- The furthest airport from Thorne Bay Seaplane Base (KTB) is Port Alfred Airport (AFD), which is located 10,618 miles (17,088 kilometers) away in Port Alfred, South Africa.
 - Thorne Bay Seaplane Base (KTB) currently has only 1 runway.
 - The closest airport to Thorne Bay Seaplane Base (KTB) is Hollis Clark Bay Seaplane Base (HYL), which is located only 14 miles (23 kilometers) SSW of KTB.
 - As per Federal Aviation Administration records, the airport had 2,640 passenger boardings in calendar year 2008, 2,283 enplanements in 2009, and 2,608 in 2010.
 - Because of Thorne Bay Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Thorne Bay 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.
 
