Nonstop flight route between Greenville, Liberia and St. Mary's, Alaska, United States:
Departure Airport:
(5°2'3"N by 9°4'0"W)
Arrival Airport:
(62°3'38"N by 163°18'6"W)
Distance from SNI to KSM:
7,603.56 miles (12,236.71 km)
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Jump to:
- About this route
- SNI Airport Information
- KSM Airport Information
- Facts about SNI
- Facts about KSM
- Map of Nearest Airports to SNI
- List of Nearest Airports to SNI
- Map of Furthest Airports from SNI
- List of Furthest Airports from SNI
- Map of Nearest Airports to KSM
- List of Nearest Airports to KSM
- Map of Furthest Airports from KSM
- List of Furthest Airports from KSM
About this route:
A direct, nonstop flight between Greenville/Sinoe Airport (SNI), Greenville, Liberia and St. Mary's Airport (KSM), St. Mary's, Alaska, United States would travel a Great Circle distance of 7,604 miles (or 12,237 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 Greenville/Sinoe Airport and St. Mary's 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 Greenville/Sinoe Airport and St. Mary's Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | SNI / GLGE |
| Airport Names: |
|
| Location: | Greenville, Liberia |
| GPS Coordinates: | 5°2'3"N by 9°4'0"W |
| Area Served: | Greenville, Liberia |
| Airport Type: | Public |
| Elevation: | 10 feet (3 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from SNI |
| More Information: | SNI Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | KSM / PASM |
| Airport Name: | St. Mary's Airport |
| Location: | St. Mary's, Alaska, United States |
| GPS Coordinates: | 62°3'38"N by 163°18'6"W |
| Operator/Owner: | Alaska DOT&PF |
| Airport Type: | Public |
| Elevation: | 312 feet (95 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from KSM |
| More Information: | KSM Maps & Info |
Facts about Greenville/Sinoe Airport (SNI):
- Because of Greenville/Sinoe Airport's relatively low elevation of 10 feet, planes can take off or land at Greenville/Sinoe 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 Greenville/Sinoe Airport (SNI) is Sasstown Airport (SAZ), which is located 50 miles (81 kilometers) ESE of SNI.
- The furthest airport from Greenville/Sinoe Airport (SNI) is Aranuka Airport (AAK), which is nearly antipodal to Greenville/Sinoe Airport (meaning Greenville/Sinoe Airport is almost on the exact opposite side of the Earth from Aranuka Airport), and is located 12,031 miles (19,362 kilometers) away in Aranuka, Kiribati.
- In addition to being known as "Greenville/Sinoe Airport", other names for SNI include "R.E. Murray Airport" and "Greenville/Sinoe Airport".
- Greenville/Sinoe Airport (SNI) currently has only 1 runway.
Facts about St. Mary's Airport (KSM):
- St. Mary's Airport (KSM) has 2 runways.
- The furthest airport from St. Mary's Airport (KSM) is Cape Town International Airport (CPT), which is located 10,494 miles (16,889 kilometers) away in Cape Town, South Africa.
- Because of St. Mary's Airport's relatively low elevation of 312 feet, planes can take off or land at St. Mary's 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 St. Mary's Airport (KSM) is Mountain Village Airport (MOU), which is located only 13 miles (20 kilometers) W of KSM.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 50.47 miles (81.22 km) ESE | Sasstown Airport (SAZ) | Sasstown, Liberia |     |
| 2 | 90.90 miles (146.29 km) NW | Buchanan Airport (UCN) | Buchanan, Liberia | |
| 3 | 94.84 miles (152.63 km) NE | Tchien Airport (THC) | Tchien, Liberia | |
| 4 | 104.64 miles (168.40 km) ESE | Cape Palmas Airport (CPA) | Cape Palmas, Liberia | |
| 5 | 121.67 miles (195.81 km) NW | Roberts International Airport Roberts Field (ROB) | Monrovia, Liberia | |
| 6 | 145.08 miles (233.48 km) NW | Spriggs Payne Airport (MLW) | Monrovia, Liberia | |
| 7 | 148.17 miles (238.46 km) NE | Guiglo Airport (GGO) | Guiglo, Côte d'Ivoire | |
| 8 | 172.99 miles (278.40 km) N | Nimba Airport (NIA) | Nimba, Liberia | |
| 9 | 185.01 miles (297.75 km) NNE | Man Airport (MJC) | Man, Côte d'Ivoire | |
| 10 | 193.61 miles (311.59 km) N | Nzérékoré Airport (NZE) | N'zerekore, Guinea | |
| 11 | 202.08 miles (325.22 km) E | Sassandra Airport (ZSS) | Sassandra, Côte d'Ivoire | |
| 12 | 215.69 miles (347.12 km) NE | Daloa Airport (DJO) | Daloa, Côte d'Ivoire (Ivory Coast) | |
| 13 | 224.29 miles (360.96 km) ENE | Gagnoa Airport (GGN) | Gagnoa, Côte d'Ivoire | |
| 14 | 232.58 miles (374.30 km) NNW | Voinjama Airport (VOI) | Voinjama, Liberia | |
| 15 | 242.65 miles (390.51 km) NNW | Foya Airport (FOY) | Foya, Liberia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,030.77 miles (19,361.60 km) SSW | Aranuka Airport (AAK) | Aranuka, Kiribati | |
| 2 | 12,021.09 miles (19,346.01 km) SE | Nauru International Airport (INU) | Yaren, Nauru | |
| 3 | 12,005.91 miles (19,321.59 km) SSW | Abemama Atoll Airport (AEA) | Abemama Atoll, Kiribati | |
| 4 | 12,004.23 miles (19,318.89 km) SW | Beru Island Airport (BEZ) | Beru, Kiribati | |
| 5 | 11,999.10 miles (19,310.63 km) WSW | Arorae Island Airport (AIS) | Arorae Island, Kiribati | |
| 6 | 11,967.90 miles (19,260.42 km) SSW | Bonriki International Airport (TRW) | Tarawa, Kiribati | |
| 7 | 11,942.93 miles (19,220.24 km) SSW | Abaiang Atoll Airport (ABF) | Abaiang, Kiribati | |
| 8 | 11,921.48 miles (19,185.71 km) SSW | Marakei Airport (MZK) | Marakei, Kiribati | |
| 9 | 11,860.91 miles (19,088.24 km) SSW | Butaritari Atoll Airport (BBG) | Butaritari Atoll, Kiribati | |
| 10 | 11,820.79 miles (19,023.67 km) WSW | Funafuti International Airport (FUN) | Funafuti, Tuvalu | |
| 11 | 11,801.33 miles (18,992.36 km) SSE | Mota Lava Airport (MTV) | Mota Lava, Vanuatu | |
| 12 | 11,785.18 miles (18,966.36 km) SSE | Vanua Lava Airport (SLH) | Sola, Vanua Lava, Torba Province, Vanuatu | |
| 13 | 11,762.66 miles (18,930.12 km) SSE | Gaua Airport (ZGU) | Gaua, Torba, Vanuatu | |
| 14 | 11,754.40 miles (18,916.83 km) SSE | Ebon Airport (EBO) | Ebon Atoll, Marshall Islands | |
| 15 | 11,738.94 miles (18,891.95 km) ESE | Ulawa Airport (RNA) | Arona, Ulawa Island, Solomon Islands | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12.52 miles (20.15 km) W | Mountain Village Airport (MOU) | Mountain Village, Alaska, United States | |
| 2 | 15.71 miles (25.28 km) ESE | Pilot Station Airport (PQS) | Pilot Station, Alaska, United States | |
| 3 | 43.61 miles (70.18 km) ESE | Marshall Don Hunter Sr. Airport (MLL) | Marshall, Alaska, United States | |
| 4 | 58.95 miles (94.87 km) WNW | Sheldon Point Airport (SXP) | Sheldon Point, Alaska, United States | |
| 5 | 61.02 miles (98.20 km) NW | Alakanuk Airport (AUK) | Alakanuk, Alaska, United States | |
| 6 | 62.90 miles (101.24 km) NW | Emmonak Airport (EMK) | Emmonak, Alaska, United States | |
| 7 | 67.40 miles (108.48 km) N | Kotlik Airport (KOT) | Kotlik, Alaska, United States | |
| 8 | 67.43 miles (108.52 km) ESE | Russian Mission Airport (RSH) | Russian Mission, Alaska, United States | |
| 9 | 75.21 miles (121.04 km) W | Scammon Bay Airport (SCM) | Scammon Bay, Alaska, United States | |
| 10 | 83.21 miles (133.91 km) WSW | Chevak Airport (VAK) | Chevak, Alaska, United States | |
| 11 | 84.72 miles (136.35 km) SSE | Nunapitchuk Airport (NUP) | Nunapitchuk, Alaska, United States | |
| 12 | 85.97 miles (138.35 km) SSE | Kasigluk Airport (KUK) | Kasigluk, Alaska, United States | |
| 13 | 88.49 miles (142.42 km) W | Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site (CZF) | Cape Romanzof, Alaska, United States | |
| 14 | 89.19 miles (143.53 km) SSW | Newtok Airport (WWT) | Newtok, Alaska, United States | |
| 15 | 89.22 miles (143.59 km) SSE | Atmautluak Airport (ATT) | Atmautluak, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,494.08 miles (16,888.54 km) S | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 2 | 10,482.44 miles (16,869.80 km) S | George Airport (GRJ) | George, South Africa | |
| 3 | 10,457.83 miles (16,830.21 km) SSW | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 4 | 10,416.76 miles (16,764.12 km) SSW | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 5 | 10,371.90 miles (16,691.92 km) SSW | East London Airport (ELS) | East London, South Africa | |
| 6 | 10,261.64 miles (16,514.46 km) SSW | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 7 | 10,199.66 miles (16,414.71 km) S | Kleinsee Airport (KLZ) | Kleinzee, South Africa | |
| 8 | 10,195.75 miles (16,408.43 km) SSW | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 9 | 10,169.94 miles (16,366.89 km) S | Aggeneys Airport (AGZ) | Aggeneys, South Africa | |
| 10 | 10,169.94 miles (16,366.89 km) S | Wild Coast Sun Airport (MZF) | Mzamba, South Africa | |
| 11 | 10,157.43 miles (16,346.75 km) SSW | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |
| 12 | 10,151.99 miles (16,338.00 km) SSW | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 13 | 10,149.37 miles (16,333.79 km) SSW | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 14 | 10,143.31 miles (16,324.03 km) SSW | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 15 | 10,133.50 miles (16,308.25 km) SE | Teniente Rodolfo Marsh Airport (TNM) | Villa Las Estrellas, Antarctica | |