Nonstop flight route between Chatham, Alaska, United States and Assab, Eritrea:
Departure Airport:
(57°30'54"N by 134°56'45"W)
Arrival Airport:
(13°4'18"N by 42°38'42"E)
Distance from CYM to ASA:
7,557.79 miles (12,163.05 km)
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Jump to:
- About this route
- CYM Airport Information
- ASA Airport Information
- Facts about CYM
- Facts about ASA
- 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 ASA
- List of Nearest Airports to ASA
- Map of Furthest Airports from ASA
- List of Furthest Airports from ASA
About this route:
A direct, nonstop flight between Chatham Seaplane Base (CYM), Chatham, Alaska, United States and Assab International Airport (ASA), Assab, Eritrea would travel a Great Circle distance of 7,558 miles (or 12,163 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 Assab International 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 Assab International 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: | ASA / HHSB |
| Airport Name: | Assab International Airport |
| Location: | Assab, Eritrea |
| GPS Coordinates: | 13°4'18"N by 42°38'42"E |
| Area Served: | Assab |
| Airport Type: | Public/Military |
| Elevation: | 46 feet (14 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from ASA |
| More Information: | ASA Maps & Info |
Facts about Chatham Seaplane Base (CYM):
- 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 closest airport to Chatham Seaplane Base (CYM) is Angoon Seaplane Base (AGN), which is located only 13 miles (22 kilometers) E of CYM.
- 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.
- Chatham Seaplane Base (CYM) currently has only 1 runway.
Facts about Assab International Airport (ASA):
- Assab International Airport (ASA) currently has only 1 runway.
- Because of Assab International Airport's relatively low elevation of 46 feet, planes can take off or land at Assab International 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 Assab International Airport (ASA) is Atuona Airport (AUQ), which is nearly antipodal to Assab International Airport (meaning Assab International Airport is almost on the exact opposite side of the Earth from Atuona Airport), and is located 12,182 miles (19,606 kilometers) away in Atuona, Marquesas Islands, French Polynesia.
- The closest airport to Assab International Airport (ASA) is Obock Airport (OBC), which is located 87 miles (141 kilometers) SSE of ASA.
| 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 | 87.40 miles (140.65 km) SSE | Obock Airport (OBC) | Obock, Djibouti | |
| 2 | 100.81 miles (162.24 km) SSE | Moucha Airport (MHI) | Moucha Island, Djibouti | |
| 3 | 109.03 miles (175.47 km) ENE | Ta'izz International Airport (TAI) | Ta'izz, Yemen | |
| 4 | 111.64 miles (179.67 km) SSE | Djibouti–Ambouli International Airport (JIB) | Djibouti, Djibouti | |
| 5 | 118.27 miles (190.34 km) N | Hodeida International Airport (HOD) | Al Hudaydah (Hodeida), Yemen | |
| 6 | 132.86 miles (213.82 km) S | Ali-Sabieh Airport (AII) | Ali-Sabieh, Djibouti | |
| 7 | 161.39 miles (259.73 km) E | Aden International Airport (ADE) | Aden, Yemen | |
| 8 | 196.78 miles (316.69 km) NNE | El Rahaba Airport (Sana'a International) (SAH) | Sana'a, Yemen | |
| 9 | 211.03 miles (339.62 km) W | Alula Aba Nega Airport (MQX) | Mekelle, Tigray, Ethiopia | |
| 10 | 218.69 miles (351.95 km) S | Borama Airport (BXX) | Borama, Somalia | |
| 11 | 237.66 miles (382.48 km) ENE | Beihan Airport (BHN) | Beihan, Yemen | |
| 12 | 241.19 miles (388.15 km) SW | Combolcha Airport (DSE) | Dessie / Kombolcha, Ethiopia | |
| 13 | 241.82 miles (389.16 km) SE | Berbera Airport (BBO) | Berbera, Somalia | |
| 14 | 244.13 miles (392.89 km) SSW | Aba Tenna Dejazmach Yilma International Airport (DIR) | Dire Dawa, Ethiopia | |
| 15 | 257.86 miles (414.98 km) WSW | Lalibela Airport (LLI) | Lalibela, Ethiopia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,182.46 miles (19,605.71 km) SSE | Atuona Airport (AUQ) | Atuona, Marquesas Islands, French Polynesia | |
| 2 | 12,133.68 miles (19,527.21 km) SE | Fangatau Airport (FGU) | Fangatau, French Polynesia | |
| 3 | 12,075.16 miles (19,433.04 km) S | Pukarua Airport (PUK) | Pukarua, Tuamotus, French Polynesia | |
| 4 | 12,037.36 miles (19,372.21 km) ESE | Raroia Airport (RRR) | Raroia, French Polynesia | |
| 5 | 12,016.60 miles (19,338.80 km) SE | Hao Airport (HOI) | Hao, Tuamotu Island, French Polynesia | |
| 6 | 11,997.34 miles (19,307.79 km) SSE | Nukutavake Airport (NUK) | Nukutavake, Tuamotus, French Polynesia | |
| 7 | 11,951.01 miles (19,233.24 km) ESE | Makemo Airport (MKP) | Makemo, French Polynesia | |
| 8 | 11,898.84 miles (19,149.29 km) S | Tureira Airport (ZTA) | Tureia, Tuamotus, French Polynesia | |
| 9 | 11,844.71 miles (19,062.16 km) ESE | Fakarava Airport (FAV) | Fakarava, Society Islands, French Polynesia | |
| 10 | 11,844.35 miles (19,061.58 km) E | Manihi Airport (XMH) | Manihi, French Polynesia | |
| 11 | 11,832.10 miles (19,041.88 km) E | Ahe Airport (AHE) | Ahe, French Polynesia | |
| 12 | 11,817.99 miles (19,019.16 km) ESE | Anaa Airport (AAA) | Anaa, Tuamotus, French Polynesia | |
| 13 | 11,806.29 miles (19,000.34 km) ESE | Apataki Airport (APK) | Apataki, French Polynesia | |
| 14 | 11,798.23 miles (18,987.37 km) ESE | Arutua Airport (AXR) | Arutua, Tuamotus, French Polynesia | |
| 15 | 11,726.28 miles (18,871.57 km) SSW | Totegegie Airport (GMR) | Mangareva, Gambier Islands, French Polynesia | |