Nonstop flight route between Chatham, Alaska, United States and Koumac, New Caledonia:
Departure Airport:
(57°30'54"N by 134°56'45"W)
Arrival Airport:
(20°32'33"S by 164°15'33"E)
Distance from CYM to KOC:
6,418.79 miles (10,330.01 km)
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- About this route
- CYM Airport Information
- KOC Airport Information
- Facts about CYM
- Facts about KOC
- Map of Nearest Airports to CYM
- List of Nearest Airports to CYM
- Map of Furthest Airports from CYM
- List of Furthest Airports from CYM
- Map of Nearest Airports to KOC
- List of Nearest Airports to KOC
- Map of Furthest Airports from KOC
- List of Furthest Airports from KOC
About this route:
A direct, nonstop flight between Chatham Seaplane Base (CYM), Chatham, Alaska, United States and Koumac Airport (KOC), Koumac, New Caledonia would travel a Great Circle distance of 6,419 miles (or 10,330 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 Chatham Seaplane Base and Koumac 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 Chatham Seaplane Base and Koumac Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | CYM / |
| Airport Name: | Chatham Seaplane Base |
| Location: | Chatham, Alaska, United States |
| GPS Coordinates: | 57°30'54"N by 134°56'45"W |
| Area Served: | Chatham, Alaska |
| Operator/Owner: | Chatham Cannery Ltd. |
| Airport Type: | Public use |
| Elevation: | 0 feet (0 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from CYM |
| More Information: | CYM Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | KOC / NWWK |
| Airport Name: | Koumac Airport |
| Location: | Koumac, New Caledonia |
| GPS Coordinates: | 20°32'33"S by 164°15'33"E |
| Area Served: | Koumac, New Caledonia |
| Airport Type: | Public |
| Elevation: | 138 feet (42 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from KOC |
| More Information: | KOC Maps & Info |
Facts about Chatham Seaplane Base (CYM):
- The closest airport to Chatham Seaplane Base (CYM) is Angoon Seaplane Base (AGN), which is located only 13 miles (22 kilometers) E of CYM.
- Chatham Seaplane Base (CYM) currently has only 1 runway.
- Because of Chatham Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Chatham 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 Chatham Seaplane Base (CYM) is Port Alfred Airport (AFD), which is located 10,576 miles (17,020 kilometers) away in Port Alfred, South Africa.
Facts about Koumac Airport (KOC):
- Because of Koumac Airport's relatively low elevation of 138 feet, planes can take off or land at Koumac 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 Koumac Airport (KOC) is Koné Airport (KNQ), which is located 51 miles (83 kilometers) SE of KOC.
- The furthest airport from Koumac Airport (KOC) is Nouadhibou International Airport (NDB), which is nearly antipodal to Koumac Airport (meaning Koumac Airport is almost on the exact opposite side of the Earth from Nouadhibou International Airport), and is located 12,349 miles (19,874 kilometers) away in Nouadhibou, Mauritania.
- Koumac Airport (KOC) currently has only 1 runway.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 13.43 miles (21.61 km) E | Angoon Seaplane Base (AGN) | Angoon, Alaska, United States |     |
| 2 | 35.85 miles (57.70 km) SSW | Sitka Rocky Gutierrez Airport (SIT) | Sitka, Alaska, United States | |
| 3 | 43.63 miles (70.21 km) NNW | Hoonah Airport (HNH) | Hoonah, Alaska, United States | |
| 4 | 51.12 miles (82.27 km) N | Funter Bay Seaplane Base (FNR) | Funter Bay, Alaska, United States | |
| 5 | 54.43 miles (87.60 km) SE | Kake Airport (KAE) | Kake, Alaska, United States | |
| 6 | 59.60 miles (95.92 km) NNE | Juneau International Airport (JNU) | Juneau, Alaska, United States | |
| 7 | 65.23 miles (104.97 km) NNW | Excursion Inlet Seaplane Base (EXI) | Excursion Inlet, Alaska, United States | |
| 8 | 68.80 miles (110.73 km) NNW | Gustavus Airport (GST) | Gustavus, Alaska, United States | |
| 9 | 69.74 miles (112.23 km) NW | Elfin Cove Seaplane Base (ELV) | Elfin Cove, Alaska, United States | |
| 10 | 88.33 miles (142.16 km) S | Port Alexander Seaplane Base (PTD) | Port Alexander, Alaska, United States | |
| 11 | 89.70 miles (144.36 km) ESE | Petersburg James A. Johnson Airport (PSG) | Petersburg, Alaska, United States | |
| 12 | 94.59 miles (152.22 km) SSE | Point Baker Seaplane Base (KPB) | Point Baker, Alaska, United States | |
| 13 | 96.20 miles (154.81 km) SSE | Port Protection Seaplane Base (PPV) | Port Protection, Alaska, United States | |
| 14 | 118.73 miles (191.07 km) SE | North Whale Seaplane Base (WWP) | North Whale Pass, Alaska, United States | |
| 15 | 120.28 miles (193.57 km) SE | Wrangell Airport (WRG) | Wrangell, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,575.54 miles (17,019.64 km) SE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 2 | 10,575.16 miles (17,019.03 km) SE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 3 | 10,561.60 miles (16,997.21 km) SSE | East London Airport (ELS) | East London, South Africa | |
| 4 | 10,499.21 miles (16,896.80 km) SE | George Airport (GRJ) | George, South Africa | |
| 5 | 10,481.31 miles (16,868.00 km) SSE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 6 | 10,465.89 miles (16,843.18 km) SSE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 7 | 10,396.45 miles (16,731.42 km) SE | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 8 | 10,395.83 miles (16,730.42 km) SSE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 9 | 10,386.37 miles (16,715.20 km) SSE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 10 | 10,372.26 miles (16,692.49 km) SSE | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 11 | 10,357.88 miles (16,669.36 km) SSE | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 12 | 10,357.79 miles (16,669.21 km) SSE | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 13 | 10,352.15 miles (16,660.12 km) SSE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 14 | 10,339.72 miles (16,640.12 km) SSE | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |
| 15 | 10,339.57 miles (16,639.89 km) SSE | Mokhotlong Airport (MKH) | Mokhotlong, Lesotho | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 51.39 miles (82.71 km) SE | Koné Airport (KNQ) | Koné, New Caledonia | |
| 2 | 68.73 miles (110.60 km) NW | Île des Pins Airport (BMY) | Waala, Belep Islands, New Caledonia | |
| 3 | 161.98 miles (260.69 km) SE | Tontouta International Airport (NOU) | Noumea, New Caledonia | |
| 4 | 185.27 miles (298.16 km) SE | Nouméa Magenta Airport (GEA) | Nouméa, New Caledonia | |
| 5 | 252.16 miles (405.81 km) ESE | Maré Airport (MEE) | Maré, Loyalty Islands, New Caledonia | |
| 6 | 329.89 miles (530.91 km) NE | Bauerfield International Airport (VLI) | Port Vila, Vanuatu | |
| 7 | 331.95 miles (534.22 km) ENE | Dillon's Bay Airport (DLY) | Dillon's Bay, Erromango, Taféa, Vanuatu | |
| 8 | 346.92 miles (558.31 km) ENE | Ipota Airport (IPA) | Ipota, Erromango, Vanuatu | |
| 9 | 357.52 miles (575.37 km) E | Anatom Airport Aneityum Airport (AUY) | Anatom, Taféa, Vanuatu | |
| 10 | 358.02 miles (576.18 km) NE | Siwo Airport (EAE) | Sangafa, Emae, Shéfa, Vanuatu | |
| 11 | 358.58 miles (577.07 km) ENE | Aniwa Airport (AWD) | Aniwa Island, Taféa, Vanuatu | |
| 12 | 366.42 miles (589.69 km) NE | Malekoula Airport (LPM) | Lamap, Malampa, Vanuatu | |
| 13 | 370.81 miles (596.76 km) NE | Norsup Airport (NUS) | Norsup, Malakula island, Vanuatu | |
| 14 | 374.17 miles (602.17 km) NE | Lamen Bay Airport (LNB) | Lamen Bay, Epi Island, Shéfa Province, Vanuatu | |
| 15 | 377.47 miles (607.48 km) NE | Tongoa Airport (TGH) | Tongoa, Shefa Province, Vanuatu | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,349.24 miles (19,874.12 km) ENE | Nouadhibou International Airport (NDB) | Nouadhibou, Mauritania | |
| 2 | 12,348.24 miles (19,872.51 km) ENE | La Güera Airport (ZLG) | La Güera, Western Sahara | |
| 3 | 12,332.49 miles (19,847.17 km) WNW | Akjoujt Airport (AJJ) | Akjoujt, Mauritania | |
| 4 | 12,267.35 miles (19,742.33 km) N | Nouakchott International Airport (NKC) | Nouakchott, Mauritania | |
| 5 | 12,262.23 miles (19,734.10 km) W | Atar Airport (ATR) | Atar, Mauritania | |
| 6 | 12,217.69 miles (19,662.42 km) NNW | Boutilimit Airport (OTL) | Boutilimit, Mauritania | |
| 7 | 12,217.05 miles (19,661.38 km) N | Dakhla Airport (VIL) | Dakhla, Western Sahara | |
| 8 | 12,194.17 miles (19,624.57 km) NW | Fderik Airport (FGD) | Fderik, Mauritania | |
| 9 | 12,165.01 miles (19,577.63 km) N | Podor Airport (POD) | Podor, Senegal | |
| 10 | 12,154.25 miles (19,560.32 km) WNW | Tazadit International Airport (OUZ) | Zouerate, Mauritania | |
| 11 | 12,153.12 miles (19,558.50 km) N | Richard Toll Airport (RDT) | Richard Toll, Senegal | |
| 12 | 12,150.52 miles (19,554.33 km) NW | Letfotar Airport (MOM) | Moudjeria, Mauritania | |
| 13 | 12,148.48 miles (19,551.04 km) NNW | Abbaye Airport (BGH) | Boghe (Bogué), Mauritania | |
| 14 | 12,124.44 miles (19,512.35 km) WNW | Tidjikja Airport (TIY) | Tidjikja, Mauritania | |
| 15 | 12,122.86 miles (19,509.80 km) N | Saint-Louis Airport (XLS) | Saint-Louis, Senegal | |