Nonstop flight route between Ketchikan, Alaska, United States and Attu Island, Alaska, United States:
Departure Airport:
(55°20'39"N by 131°39'47"W)
Arrival Airport:
(52°49'57"N by 173°10'32"E)
Distance from WFB to ATU:
2,183.16 miles (3,513.45 km)
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- About this route
- WFB Airport Information
- ATU Airport Information
- Facts about WFB
- Facts about ATU
- Map of Nearest Airports to WFB
- List of Nearest Airports to WFB
- Map of Furthest Airports from WFB
- List of Furthest Airports from WFB
- Map of Nearest Airports to ATU
- List of Nearest Airports to ATU
- Map of Furthest Airports from ATU
- List of Furthest Airports from ATU
About this route:
A direct, nonstop flight between Ketchikan Harbor Seaplane Base (WFB), Ketchikan, Alaska, United States and Casco Cove Coast Guard Station (ATU), Attu Island, Alaska, United States would travel a Great Circle distance of 2,183 miles (or 3,513 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 Ketchikan Harbor Seaplane Base and Casco Cove Coast Guard Station, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | WFB / |
| Airport Names: |
|
| Location: | Ketchikan, Alaska, United States |
| GPS Coordinates: | 55°20'39"N by 131°39'47"W |
| Area Served: | Ketchikan, Alaska |
| Airport Type: | Public use |
| Elevation: | 0 feet (0 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from WFB |
| More Information: | WFB Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | ATU / PAAT |
| Airport Names: |
|
| Location: | Attu Island, Alaska, United States |
| GPS Coordinates: | 52°49'57"N by 173°10'32"E |
| Operator/Owner: | U.S. Coast Guard 17th Dist. |
| Airport Type: | Private use |
| Elevation: | 88 feet (27 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from ATU |
| More Information: | ATU Maps & Info |
Facts about Ketchikan Harbor Seaplane Base (WFB):
- The closest airport to Ketchikan Harbor Seaplane Base (WFB) is Ketchikan International Airport (KTN), which is located only 2 miles (3 kilometers) WNW of WFB.
- In addition to being known as "Ketchikan Harbor Seaplane Base", another name for WFB is "5KE".
- Ketchikan Harbor Seaplane Base has one seaplane landing area designated NW/SE which measures 10,000 x 1,500 ft.
- Ketchikan Harbor Seaplane Base (WFB) currently has only 1 runway.
- Because of Ketchikan Harbor Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Ketchikan Harbor 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 Ketchikan Harbor Seaplane Base (WFB) is Port Alfred Airport (AFD), which is located 10,613 miles (17,079 kilometers) away in Port Alfred, South Africa.
Facts about Casco Cove Coast Guard Station (ATU):
- On January 1, 1945, 2nd Lt.
- Because of Casco Cove Coast Guard Station's relatively low elevation of 88 feet, planes can take off or land at Casco Cove Coast Guard Station 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.
- In addition to being known as "Casco Cove Coast Guard Station", other names for ATU include "LORAN Station Attu" and "(former Naval Air Facility Attu)".
- The furthest airport from Casco Cove Coast Guard Station (ATU) is Cape Town International Airport (CPT), which is located 10,631 miles (17,109 kilometers) away in Cape Town, South Africa.
- The closest airport to Casco Cove Coast Guard Station (ATU) is Eareckson Air Station (SYA), which is located 40 miles (65 kilometers) ESE of ATU.
- Casco Cove Coast Guard Station (ATU) currently has only 1 runway.
- The Casco Cove Airport was a LORAN navigation station operated by the United States Coast Guard.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 1.99 miles (3.21 km) WNW | Ketchikan International Airport (KTN) | Ketchikan, Alaska, United States |     |
| 2 | 15.12 miles (24.33 km) SSE | Metlakatla Seaplane Base (MTM) | Metlakatla, Annette Island, Alaska, United States | |
| 3 | 21.17 miles (34.07 km) S | Annette Island Airport (ANN) | Annette Island, Alaska, United States | |
| 4 | 38.99 miles (62.75 km) WNW | Hollis Clark Bay Seaplane Base (HYL) | Hollis, Alaska, United States | |
| 5 | 41.60 miles (66.95 km) NW | Thorne Bay Seaplane Base (KTB) | Thorne Bay, Alaska, United States | |
| 6 | 46.83 miles (75.37 km) WSW | Hydaburg Seaplane Base (HYG) | Hydaburg, Alaska, United States | |
| 7 | 57.67 miles (92.81 km) WNW | Klawock Airport (KLW) | Klawock, Alaska, United States | |
| 8 | 58.96 miles (94.89 km) W | Craig Seaplane Base (CGA) | Craig, Alaska, United States | |
| 9 | 62.20 miles (100.10 km) W | Waterfall Seaplane Base (KWF) | Waterfall, Alaska, United States | |
| 10 | 64.99 miles (104.59 km) NW | Coffman Cove Seaplane Base (KCC) | Coffman Cove, Alaska, United States | |
| 11 | 70.35 miles (113.21 km) WNW | Naukati Bay Seaplane Base (WNC) | Tuxekan Island, Alaska, United States | |
| 12 | 75.28 miles (121.16 km) ENE | Hyder Seaplane Base (WHD) | Hyder, Alaska, United States | |
| 13 | 76.71 miles (123.45 km) WNW | Tokeen Seaplane Base (TKI) | Tokeen, Alaska, United States | |
| 14 | 77.12 miles (124.11 km) ENE | Stewart Aerodrome (ZST) | Stewart, British Columbia, Canada | |
| 15 | 77.87 miles (125.32 km) NW | North Whale Seaplane Base (WWP) | North Whale Pass, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,612.68 miles (17,079.40 km) SE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 2 | 10,605.64 miles (17,068.08 km) SE | East London Airport (ELS) | East London, South Africa | |
| 3 | 10,603.78 miles (17,065.09 km) SE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 4 | 10,534.24 miles (16,953.17 km) SE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 5 | 10,529.75 miles (16,945.95 km) SE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 6 | 10,510.26 miles (16,914.58 km) SE | George Airport (GRJ) | George, South Africa | |
| 7 | 10,466.55 miles (16,844.24 km) SSE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 8 | 10,453.19 miles (16,822.74 km) SE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 9 | 10,429.83 miles (16,785.15 km) SSE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 10 | 10,429.12 miles (16,784.01 km) SE | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 11 | 10,413.46 miles (16,758.79 km) SE | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 12 | 10,411.58 miles (16,755.77 km) SE | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 13 | 10,400.05 miles (16,737.21 km) SE | Mokhotlong Airport (MKH) | Mokhotlong, Lesotho | |
| 14 | 10,389.23 miles (16,719.80 km) SE | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |
| 15 | 10,388.48 miles (16,718.60 km) ESE | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 40.08 miles (64.50 km) ESE | Eareckson Air Station (SYA) | Shemya, Alaska, United States | |
| 2 | 434.18 miles (698.74 km) E | Adak Airport (ADK) | Adak Island, Alaska, United States | |
| 3 | 531.42 miles (855.23 km) E | Atka Airport (AKB) | Atka, Alaska, United States | |
| 4 | 611.52 miles (984.14 km) W | Yelizovo Airport (PKC) | Petropavlovsk-Kamchatsky, Russia | |
| 5 | 720.55 miles (1,159.60 km) ENE | St. Paul Island Airport (SNP) | St. Paul Island, Alaska, United States | |
| 6 | 729.92 miles (1,174.68 km) ENE | St. George Airport (STG) | St. George, Alaska, United States | |
| 7 | 747.48 miles (1,202.95 km) E | Nikolski Air Station (IKO) | Nikolski, Alaska, United States | |
| 8 | 823.34 miles (1,325.04 km) N | Markovo Airport (KVM) | Markovo, Chukotka Autonomous Okrug, Russia | |
| 9 | 836.44 miles (1,346.12 km) ENE | Unalaska Airport (DUT) | Unalaska, Alaska, United States | |
| 10 | 837.95 miles (1,348.54 km) N | Ugolny Airport (DYR) | Anadyr, Russia | |
| 11 | 866.70 miles (1,394.82 km) ENE | Akutan Seaplane Base (KQA) | Akutan, Alaska, United States | |
| 12 | 928.25 miles (1,493.87 km) NNE | Gambell Airport (GAM) | Gambell, Alaska, United States | |
| 13 | 931.23 miles (1,498.67 km) NNE | Provideniya Bay Airport (PVS) | Provideniya, Chukotka, Russia | |
| 14 | 933.22 miles (1,501.86 km) NE | Mekoryuk Airport (MYU) | Mekoryuk, Alaska, United States | |
| 15 | 950.66 miles (1,529.94 km) NNE | Savoonga Airport (SVA) | Savoonga, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,631.23 miles (17,109.27 km) SW | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 2 | 10,501.26 miles (16,900.10 km) WSW | George Airport (GRJ) | George, South Africa | |
| 3 | 10,458.69 miles (16,831.59 km) SE | Teniente Rodolfo Marsh Airport (TNM) | Villa Las Estrellas, Antarctica | |
| 4 | 10,431.40 miles (16,787.68 km) SW | Kleinsee Airport (KLZ) | Kleinzee, South Africa | |
| 5 | 10,381.55 miles (16,707.44 km) WSW | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 6 | 10,381.37 miles (16,707.15 km) SW | Alexander Bay Airport (ALJ) | Alexander Bay, South Africa | |
| 7 | 10,354.51 miles (16,663.93 km) SW | Aggeneys Airport (AGZ) | Aggeneys, South Africa | |
| 8 | 10,354.51 miles (16,663.92 km) SW | Wild Coast Sun Airport (MZF) | Mzamba, South Africa | |
| 9 | 10,326.08 miles (16,618.18 km) ESE | Port Stanley Airport (PSY) | Stanley, Falkland Islands, United Kingdom | |
| 10 | 10,311.35 miles (16,594.46 km) WSW | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 11 | 10,303.30 miles (16,581.51 km) ESE | RAF Mount Pleasant (MPN) | Falkland Islands | |
| 12 | 10,302.39 miles (16,580.04 km) SW | Lüderitz Airport (LUD) | Luderitz, Namibia | |
| 13 | 10,282.92 miles (16,548.71 km) SW | Karasburg Airport (KAS) | Karasburg, Namibia | |
| 14 | 10,248.62 miles (16,493.52 km) WSW | East London Airport (ELS) | East London, South Africa | |
| 15 | 10,224.59 miles (16,454.85 km) SW | Upington Airport (UTN) | Upington, South Africa | |