Nonstop flight route between Anadyr, Russia and Port Heiden, Alaska, United States:
Departure Airport:
Arrival Airport:
Distance from DYR to PTH:
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- About this route
 - DYR Airport Information
 - PTH Airport Information
 - Facts about DYR
 - Facts about PTH
 - Map of Nearest Airports to DYR
 - List of Nearest Airports to DYR
 - Map of Furthest Airports from DYR
 - List of Furthest Airports from DYR
 - Map of Nearest Airports to PTH
 - List of Nearest Airports to PTH
 - Map of Furthest Airports from PTH
 - List of Furthest Airports from PTH
 
About this route:
A direct, nonstop flight between Ugolny Airport (DYR), Anadyr, Russia and Port Heiden Airport (PTH), Port Heiden, Alaska, United States would travel a Great Circle distance of 951 miles (or 1,530 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 Ugolny Airport and Port Heiden Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | DYR / UHMA | 
| Airport Names: | 
                    
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| Location: | Anadyr, Russia | 
| GPS Coordinates: | 64°44'5"N by 177°44'30"E | 
| Area Served: | Anadyr | 
| Operator/Owner: | Chukotavia | 
| Airport Type: | Public / Military | 
| Elevation: | 194 feet (59 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from DYR | 
| More Information: | DYR Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | PTH / PAPH | 
| Airport Names: | 
                    
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| Location: | Port Heiden, Alaska, United States | 
| GPS Coordinates: | 56°57'33"N by 158°37'59"W | 
| Area Served: | Port Heiden, Alaska | 
| Operator/Owner: | State of Alaska DOT&PF - Central Region | 
| Airport Type: | Public | 
| Elevation: | 95 feet (29 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from PTH | 
| More Information: | PTH Maps & Info | 
Facts about Ugolny Airport (DYR):
- Ugolny Airport (DYR) currently has only 1 runway.
 - Owing to its geographic location, its long, concrete-reinforced, heavy load-bearing runway, as well as its modern terminal with jet bridges, the airport is well-suited and well-situated for emergency diversion at roughly the midpoint of the northern route trans-Pacific routes.
 - The closest airport to Ugolny Airport (DYR) is Markovo Airport (KVM), which is located 216 miles (348 kilometers) W of DYR.
 - The furthest airport from Ugolny Airport (DYR) is Teniente Rodolfo Marsh Airport (TNM), which is located 10,736 miles (17,278 kilometers) away in Villa Las Estrellas, Antarctica.
 - Because of Ugolny Airport's relatively low elevation of 194 feet, planes can take off or land at Ugolny 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 was featured in the American novel Flight of the Old Dog.
 - Anadyr's history as a bomber base dates back to the 1950s and the Russian Air Force's OGA is responsible for maintaining the facility.
 - In addition to being known as "Ugolny Airport", another name for DYR is "Аэропорт Угольный".
 
Facts about Port Heiden Airport (PTH):
- Because of Port Heiden Airport's relatively low elevation of 95 feet, planes can take off or land at Port Heiden 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 Port Heiden Airport (PTH) is George Airport (GRJ), which is located 10,850 miles (17,462 kilometers) away in George, South Africa.
 - The closest airport to Port Heiden Airport (PTH) is Chignik Fisheries Airport (KCG), which is located 44 miles (71 kilometers) S of PTH.
 - In addition to being known as "Port Heiden Airport", other names for PTH include "Port Heiden Air Force Station" and "Fort Morrow Army Airfield".
 - Port Heiden Airport (PTH) has 2 runways.
 - Port Heiden Airport covers an area of 3,500 acres at an elevation of 95 feet above mean sea level.
 - Beginning in 1958 the airport was used to support Port Heiden Air Force Station, a Cold War United States Air Force Distant Early Warning Line radar station.
 
