Nonstop flight route between Georgetown, Ascension Island, Saint Helena and Basankusu, Democratic Republic of the Congo:
Departure Airport:
(7°58'9"S by 14°23'38"W)
Arrival Airport:
(1°13'28"N by 19°47'20"E)
Distance from ASI to BSU:
2,439.19 miles (3,925.48 km)
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- About this route
- ASI Airport Information
- BSU Airport Information
- Facts about ASI
- Facts about BSU
- Map of Nearest Airports to ASI
- List of Nearest Airports to ASI
- Map of Furthest Airports from ASI
- List of Furthest Airports from ASI
- Map of Nearest Airports to BSU
- List of Nearest Airports to BSU
- Map of Furthest Airports from BSU
- List of Furthest Airports from BSU
About this route:
A direct, nonstop flight between RAF Ascension (ASI), Georgetown, Ascension Island, Saint Helena and Basankusu Airport (BSU), Basankusu, Democratic Republic of the Congo would travel a Great Circle distance of 2,439 miles (or 3,925 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 RAF Ascension and Basankusu Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | ASI / FHAW |
| Airport Names: |
|
| Location: | Georgetown, Ascension Island, Saint Helena |
| GPS Coordinates: | 7°58'9"S by 14°23'38"W |
| Operator/Owner: | Ministry of Defence |
| View all routes: | Routes from ASI |
| More Information: | ASI Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | BSU / FZEN |
| Airport Name: | Basankusu Airport |
| Location: | Basankusu, Democratic Republic of the Congo |
| GPS Coordinates: | 1°13'28"N by 19°47'20"E |
| Airport Type: | Public |
| Elevation: | 1217 feet (371 meters) |
| View all routes: | Routes from BSU |
| More Information: | BSU Maps & Info |
Facts about RAF Ascension (ASI):
- The station comes under the overall jurisdiction of the Commander British Forces South Atlantic Islands, an officer of one-star rank.
- The Target Tracking Radar Station was a Nike Zeus test facility for tracking reentry vehicles from Cape Canaveral missile launches.
- The furthest airport from RAF Ascension (ASI) is Ujae Airport (UJE), which is nearly antipodal to RAF Ascension (meaning RAF Ascension is almost on the exact opposite side of the Earth from Ujae Airport), and is located 12,370 miles (19,907 kilometers) away in Ujae Atoll, Marshall Islands.
- In addition to being known as "RAF Ascension", another name for ASI is "Wideawake Airbase/Field".
- Ascension serves as a diversion airport for ETOPS aircraft crossing the Atlantic.
- Ascension Island Auxiliary Field was being built by 181 men from Saint Helena by 1957
- The closest airport to RAF Ascension (ASI) is Sasstown Airport (SAZ), which is located 965 miles (1,553 kilometers) NNE of ASI.
Facts about Basankusu Airport (BSU):
- The closest airport to Basankusu Airport (BSU) is Impfondo Airport (ION), which is located 123 miles (198 kilometers) WNW of BSU.
- The furthest airport from Basankusu Airport (BSU) is Cassidy International Airport (CXI), which is nearly antipodal to Basankusu Airport (meaning Basankusu Airport is almost on the exact opposite side of the Earth from Cassidy International Airport), and is located 12,140 miles (19,537 kilometers) away in Christmas Island, Kiribati.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 964.90 miles (1,552.85 km) NNE | Sasstown Airport (SAZ) | Sasstown, Liberia |     |
| 2 | 970.07 miles (1,561.18 km) NNE | Cape Palmas Airport (CPA) | Cape Palmas, Liberia | |
| 3 | 970.61 miles (1,562.04 km) NNE | Greenville/Sinoe Airport (SNI) | Greenville, Liberia | |
| 4 | 1,004.06 miles (1,615.87 km) NNE | Buchanan Airport (UCN) | Buchanan, Liberia | |
| 5 | 1,016.52 miles (1,635.93 km) NNE | Spriggs Payne Airport (MLW) | Monrovia, Liberia | |
| 6 | 1,019.92 miles (1,641.40 km) NNE | Roberts International Airport Roberts Field (ROB) | Monrovia, Liberia | |
| 7 | 1,057.48 miles (1,701.85 km) NNE | Sassandra Airport (ZSS) | Sassandra, Côte d'Ivoire | |
| 8 | 1,060.22 miles (1,706.26 km) NNE | Tchien Airport (THC) | Tchien, Liberia | |
| 9 | 1,078.81 miles (1,736.16 km) N | Sherbro International Airport (BTE) | Bonthe, Sierra Leone | |
| 10 | 1,099.23 miles (1,769.04 km) N | Gbangbatok Airport (GBK) | Gbangbatok, Sierra Leone | |
| 11 | 1,108.19 miles (1,783.46 km) NNE | Guiglo Airport (GGO) | Guiglo, Côte d'Ivoire | |
| 12 | 1,114.35 miles (1,793.37 km) N | Bo Airport (KBS) | Bo, Sierra Leone | |
| 13 | 1,118.49 miles (1,800.03 km) NNE | Kenema Airport (KEN) | Kenema, Sierra Leone | |
| 14 | 1,131.83 miles (1,821.51 km) NNE | Gagnoa Airport (GGN) | Gagnoa, Côte d'Ivoire | |
| 15 | 1,133.99 miles (1,824.97 km) N | Hastings Airport (HGS) | Freetown, Sierra Leone | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,369.71 miles (19,907.06 km) N | Ujae Airport (UJE) | Ujae Atoll, Marshall Islands | |
| 2 | 12,357.05 miles (19,886.69 km) NW | Lae Airport (LML) | Lae Atoll, Marshall Islands | |
| 3 | 12,310.77 miles (19,812.22 km) NW | Elenak Airport (EAL) | Elenak, Marshall Islands | |
| 4 | 12,282.52 miles (19,766.74 km) WNW | Bucholz Army Airfield (KWA) | Kwajalein, Marshall Islands | |
| 5 | 12,282.50 miles (19,766.72 km) WNW | Ebadon Airstrip (EBN) | Kwajalein Atoll, Marshall Islands | |
| 6 | 12,282.14 miles (19,766.14 km) N | Wotho Airport (WTO) | Wotho, Marshall Islands | |
| 7 | 12,254.29 miles (19,721.32 km) W | Majkin Airport (MJE) | Majkin, Marshall Islands | |
| 8 | 12,232.07 miles (19,685.57 km) W | Woja Airport (WJA) | Woja, Marshall Islands | |
| 9 | 12,217.96 miles (19,662.86 km) W | Ailinglaplap Atoll (AIP) | Ailinglaplap Atoll, Marshall Islands | |
| 10 | 12,205.53 miles (19,642.85 km) W | Jabot Airport (JAT) | Jabat Island, Marshall Islands | |
| 11 | 12,205.39 miles (19,642.62 km) W | Jeh Airport (JEJ) | Ailinglaplap Atoll, Marshall Islands | |
| 12 | 12,200.28 miles (19,634.41 km) NW | Namorik Airport (NDK) | Namorik Atoll, Marshall Islands | |
| 13 | 12,199.88 miles (19,633.75 km) NNW | Rongelap Airport (RNP) | Rongelap Atoll, Marshall Islands | |
| 14 | 12,191.27 miles (19,619.90 km) N | Bikini Atoll Airport (BII) | Bikini Atoll, Marshall Islands | |
| 15 | 12,180.68 miles (19,602.86 km) NE | Kosrae International Airport (KSA) | Kosrae, Federated States of Micronesia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 123.06 miles (198.05 km) WNW | Impfondo Airport (ION) | Impfondo, Republic of the Congo | |
| 2 | 128.71 miles (207.14 km) SE | Boende Airport (BNB) | Boende, Democratic Republic of the Congo | |
| 3 | 132.83 miles (213.77 km) SW | Mbandaka Airport (MDK) | Mbandaka, Democratic Republic of the Congo | |
| 4 | 134.84 miles (217.00 km) ENE | Lisala Airport (LIQ) | Lisala, Democratic Republic of the Congo | |
| 5 | 154.35 miles (248.40 km) NW | Bétou Airport (BTB) | Betou, Republic of the Congo | |
| 6 | 192.67 miles (310.08 km) SSW | Basango Mboliasa Airport (KRZ) | Kiri, Democratic Republic of the Congo | |
| 7 | 224.70 miles (361.62 km) NNE | Gbadolite Airport (BDT) | Gbadolite, Democratic Republic of the Congo | |
| 8 | 236.15 miles (380.04 km) NNW | Bangui M'Poko International Airport (BGF) | Bangui, Central African Republic | |
| 9 | 242.51 miles (390.29 km) SSW | Inongo Airport (INO) | Inongo, Democratic Republic of the Congo | |
| 10 | 291.66 miles (469.39 km) WSW | Owando Airport (FTX) | Owando, Republic of the Congo | |
| 11 | 293.84 miles (472.89 km) SE | Ikela Airport (IKL) | Ikela, Democratic Republic of the Congo | |
| 12 | 302.98 miles (487.59 km) WSW | Makoua Airport (MKJ) | Makoua, Republic of the Congo | |
| 13 | 308.73 miles (496.86 km) SSW | Nioki Airport (NIO) | Nioki, Democratic Republic of the Congo | |
| 14 | 316.40 miles (509.20 km) NNW | Bossembélé Airport (BEM) | Bossembélé, Central African Republic | |
| 15 | 316.48 miles (509.33 km) WSW | Oyo Ollombo Airport (OLL) | Oyo, Republic of the Congo, Republic of the Congo | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,139.66 miles (19,536.84 km) NW | Cassidy International Airport (CXI) | Christmas Island, Kiribati | |
| 2 | 11,801.88 miles (18,993.23 km) S | Manihiki Island Airport (MHX) | Manihiki Island, Cook Islands | |
| 3 | 11,635.99 miles (18,726.27 km) E | Canton Island Airport (CIS) | Canton Island, Kiribati | |
| 4 | 11,340.55 miles (18,250.81 km) SE | Fitiuta Airport (FTI) | Fiti‘uta, American Samoa, United States | |
| 5 | 11,336.38 miles (18,244.10 km) SE | Tau Airport (TAV) | Tau, American Samoa | |
| 6 | 11,332.56 miles (18,237.95 km) SE | Ofu Airport (OFU) | Ofu, American Samoa | |
| 7 | 11,284.88 miles (18,161.21 km) SE | Pago Pago International Airport (PPG) | Pago Pago, American Samoa | |
| 8 | 11,261.28 miles (18,123.23 km) SE | Fagali'i Airport (FGI) | Apia, Samoa | |
| 9 | 11,254.74 miles (18,112.70 km) SSW | Maupiti Airport (MAU) | Maupiti, Leeward Islands, French Polynesia | |
| 10 | 11,249.92 miles (18,104.94 km) SE | Faleolo International Airport (APW) | Apia, Upolu Island, Samoa | |
| 11 | 11,242.55 miles (18,093.09 km) SE | Maota (Salelologa) Airport (MXS) | Maota, Samoa | |
| 12 | 11,238.01 miles (18,085.78 km) SSW | Bora Bora Airport (BOB) | Bora Bora, French Polynesia | |
| 13 | 11,236.43 miles (18,083.24 km) SE | Asau Airport (AAU) | Asau, Samoa | |
| 14 | 11,210.14 miles (18,040.93 km) SW | Mataiva Airport (MVT) | Mataiva, French Polynesia | |
| 15 | 11,198.99 miles (18,022.99 km) SSW | Huahine – Fare Airport (HUH) | Huahine, Society Islands, French Polynesia | |