Nonstop flight route between Union Island, Saint Vincent and the Grenadines and Charlotte Amalie, Saint Thomas, U.S. Virgin Islands:
Departure Airport:
(12°35'54"N by 61°24'52"W)
Arrival Airport:
(18°20'18"N by 64°56'26"W)
Distance from UNI to SPB:
460.83 miles (741.63 km)
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Jump to:
- About this route
- UNI Airport Information
- SPB Airport Information
- Facts about UNI
- Facts about SPB
- Map of Nearest Airports to UNI
- List of Nearest Airports to UNI
- Map of Furthest Airports from UNI
- List of Furthest Airports from UNI
- Map of Nearest Airports to SPB
- List of Nearest Airports to SPB
- Map of Furthest Airports from SPB
- List of Furthest Airports from SPB
About this route:
A direct, nonstop flight between Union Island Airport (UNI), Union Island, Saint Vincent and the Grenadines and Charlotte Amalie Harbor Seaplane Base (SPB), Charlotte Amalie, Saint Thomas, U.S. Virgin Islands would travel a Great Circle distance of 461 miles (or 742 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 Union Island Airport and Charlotte Amalie Harbor Seaplane Base, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | UNI / TVSU |
| Airport Name: | Union Island Airport |
| Location: | Union Island, Saint Vincent and the Grenadines |
| GPS Coordinates: | 12°35'54"N by 61°24'52"W |
| Area Served: | Union Island |
| Airport Type: | Public |
| Elevation: | 14 feet (4 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from UNI |
| More Information: | UNI Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | SPB / |
| Airport Names: |
|
| Location: | Charlotte Amalie, Saint Thomas, U.S. Virgin Islands |
| GPS Coordinates: | 18°20'18"N by 64°56'26"W |
| Operator/Owner: | Virgin Islands Port Authority |
| Airport Type: | Private |
| Elevation: | 0 feet (0 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from SPB |
| More Information: | SPB Maps & Info |
Facts about Union Island Airport (UNI):
- The furthest airport from Union Island Airport (UNI) is Umbu Mehang Kunda Airport (WGP), which is nearly antipodal to Union Island Airport (meaning Union Island Airport is almost on the exact opposite side of the Earth from Umbu Mehang Kunda Airport), and is located 12,203 miles (19,639 kilometers) away in Waingapu, Sumba, East Nusa Tenggara, Indonesia.
- The closest airport to Union Island Airport (UNI) is Canouan Airport (CIW), which is located only 8 miles (14 kilometers) NE of UNI.
- Union Island Airport (UNI) currently has only 1 runway.
- Because of Union Island Airport's relatively low elevation of 14 feet, planes can take off or land at Union Island 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.
Facts about Charlotte Amalie Harbor Seaplane Base (SPB):
- The closest airport to Charlotte Amalie Harbor Seaplane Base (SPB) is Cyril E. King Airport (STT), which is located only 2 miles (3 kilometers) W of SPB.
- In addition to being known as "Charlotte Amalie Harbor Seaplane Base", other names for SPB include "St. Thomas Seaplane Base" and "VI22".
- Because of Charlotte Amalie Harbor Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Charlotte Amalie 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.
- Charlotte Amalie Harbor Seaplane Base (SPB) has 2 runways.
- The furthest airport from Charlotte Amalie Harbor Seaplane Base (SPB) is Barrow Island Airport (BWB), which is nearly antipodal to Charlotte Amalie Harbor Seaplane Base (meaning Charlotte Amalie Harbor Seaplane Base is almost on the exact opposite side of the Earth from Barrow Island Airport), and is located 12,261 miles (19,732 kilometers) away in Barrow Island, Western Australia, Australia.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 8.48 miles (13.65 km) NE | Canouan Airport (CIW) | Canouan Island, Saint Vincent and the Grenadines |     |
| 2 | 9.26 miles (14.90 km) SSW | Lauriston Airport (CRU) | Carriacou Island, Grenada | |
| 3 | 25.49 miles (41.02 km) NE | Mustique Airport (MQS) | Mustique Island, Saint Vincent and the Grenadines | |
| 4 | 28.83 miles (46.39 km) NNE | J. F. Mitchell Airport (BQU) | Bequia, Saint Vincent and the Grenadines | |
| 5 | 40.14 miles (64.59 km) NNE | E.T. Joshua Airport (SVD) | Arno Vale (near Kingstown), Saint Vincent, Saint Vincent and the Grenadines | |
| 6 | 48.12 miles (77.44 km) SSW | Maurice Bishop International Airport (GND) | St. George's, Grenada | |
| 7 | 84.34 miles (135.74 km) NNE | Hewanorra International Airport (UVF) | Vieux-Fort, Saint Lucia | |
| 8 | 102.24 miles (164.53 km) NNE | George F. L. Charles Airport (SLU) | Castries, Saint Lucia | |
| 9 | 107.58 miles (173.13 km) SSE | A.N.R. Robinson International Airport (TAB) | Scarborough, Tobago, Trinidad and Tobago | |
| 10 | 133.61 miles (215.02 km) ENE | Grantley Adams International Airport (BGI) | Bridgetown, Barbados | |
| 11 | 138.52 miles (222.92 km) S | Piarco International Airport (POS) | Piarco (near Port of Spain), Trinidad and Tobago | |
| 12 | 140.58 miles (226.24 km) NNE | Aimé Césaire Airport (FDF) | Le Lamentin / Fort de France, Martinique | |
| 13 | 152.52 miles (245.46 km) SSW | Güiria Airport (GUI) | Guiria, Venezuela | |
| 14 | 183.20 miles (294.83 km) SW | General José Francisco Bermúdez Airport (CUP) | Carúpano, Venezuela | |
| 15 | 189.19 miles (304.47 km) N | Canefield Airport (DCF) | Canefield, Dominica | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,203.33 miles (19,639.31 km) SSW | Umbu Mehang Kunda Airport (WGP) | Waingapu, Sumba, East Nusa Tenggara, Indonesia | |
| 2 | 12,167.01 miles (19,580.86 km) WSW | Tardamu Airport (SAU) | Savu Island, East Nusa Tenggara, Indonesia | |
| 3 | 12,156.27 miles (19,563.57 km) S | Sultan Muhammad Salahuddin Airport (BMU) | Bima, Indonesia | |
| 4 | 12,139.21 miles (19,536.12 km) SSW | Komodo Airport (LBJ) | Labuan Bajo, Flores Island, Indonesia | |
| 5 | 12,128.61 miles (19,519.06 km) SSE | Lombok International Airport (LOP) | Mataram (near Praya), Lombok, Indonesia | |
| 6 | 12,119.98 miles (19,505.16 km) SSW | Bajawa Soa Airport (BJW) | Bajawa, Indonesia | |
| 7 | 12,110.52 miles (19,489.95 km) SSE | Selaparang Airport (AMI) | Mataram, Indonesia | |
| 8 | 12,104.11 miles (19,479.63 km) SW | H. Hasan Aroeboesman Airport (ENE) | Ende, Flores, Indonesia | |
| 9 | 12,083.80 miles (19,446.94 km) SE | Ngurah Rai International Airport (NRIA) (DPS) | Denpasar, Bali, Indonesia | |
| 10 | 12,067.69 miles (19,421.01 km) SW | Frans Seda Airport (MOF) | Maumere, Indonesia | |
| 11 | 12,067.68 miles (19,421.00 km) SW | Wonopito Airport (LWE) | Lewoleba, Indonesia | |
| 12 | 12,053.69 miles (19,398.49 km) WSW | El Tari Airport (KOE) | Kupang, East Nusa Tenggara, Indonesia | |
| 13 | 12,023.34 miles (19,349.64 km) SE | Blimbingsari Airport (BWX) | Banyuwangi Regency, East Java, Java Island, Indonesia | |
| 14 | 11,994.55 miles (19,303.30 km) SSW | Broome International Airport (BME) | Broome, Western Australia, Australia | |
| 15 | 11,964.20 miles (19,254.47 km) SW | Derby Airport (DRB) | Derby, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 2.13 miles (3.43 km) W | Cyril E. King Airport (STT) | Charlotte Amalie, Saint Thomas, United States Virgin Islands | |
| 2 | 23.91 miles (38.48 km) W | Benjamín Rivera Noriega Airport (CPX) | Isla de Culebra, Puerto Rico | |
| 3 | 27.11 miles (43.62 km) ENE | Terrance B. Lettsome International Airport (EIS) | Beef Island (near Tortola), British Virgin Islands | |
| 4 | 34.42 miles (55.40 km) ENE | Virgin Gorda Airport (VIJ) | Virgin Gorda, British Virgin Islands | |
| 5 | 38.91 miles (62.63 km) WSW | Antonio Rivera Rodríguez Airport (VQS) | Vieques, Puerto Rico, United States | |
| 6 | 43.70 miles (70.33 km) SSE | Christiansted Harbor Seaplane Base (SSB) | Christiansted, Saint Croix, U.S. Virgin Islands | |
| 7 | 44.76 miles (72.04 km) SSE | Henry E. Rohlsen International Airport (STX) | Christiansted, Saint Croix, United States Virgin Islands | |
| 8 | 47.34 miles (76.19 km) W | Diego Jiménez Torres Airport (FAJ) | Fajardo, Puerto Rico, United States | |
| 9 | 58.11 miles (93.52 km) WSW | Humacao Airport (HUC) | Humacao, Puerto Rico, United States | |
| 10 | 69.92 miles (112.52 km) W | Luis Muñoz Marín International Airport (SJU) | San Juan, Puerto Rico | |
| 11 | 76.32 miles (122.83 km) W | Fernando Luis Ribas Dominicci Airport (SIG) | San Juan, Puerto Rico | |
| 12 | 89.04 miles (143.30 km) W | Dorado Airport (DDP) | Dorado, Puerto Rico | |
| 13 | 108.91 miles (175.28 km) WSW | Mercedita Airport (PSE) | Ponce, Puerto Rico | |
| 14 | 114.00 miles (183.46 km) W | Antonio (Nery) Juarbe Pol Airport (ARE) | Arecibo, Puerto Rico | |
| 15 | 121.96 miles (196.28 km) E | Princess Juliana International Airport (SXM) | Philipsburg, Sint Maarten, Kingdom of the Netherlands | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,260.74 miles (19,731.70 km) S | Barrow Island Airport (BWB) | Barrow Island, Western Australia, Australia | |
| 2 | 12,238.42 miles (19,695.78 km) SW | Karratha Airport (KTA) | Karratha / Dampier, Western Australia, Australia | |
| 3 | 12,164.93 miles (19,577.50 km) WSW | Port Hedland International Airport (PHE) | Port Hedland, Western Australia, Australia | |
| 4 | 12,160.28 miles (19,570.03 km) SSE | RAAF Learmonth (LEA) | Exmouth, Western Australia, Australia | |
| 5 | 12,140.66 miles (19,538.46 km) SW | Coolawanyah Station Airport (COY) | Coolawanyah Station, Western Australia, Australia | |
| 6 | 12,114.48 miles (19,496.31 km) SSW | Solomon Airport (SLJ) | Karijini National Park, Western Australia, Australia | |
| 7 | 12,082.17 miles (19,444.32 km) SSW | Tom Price Airport (TPR) | Tom Price, Western Australia, Australia | |
| 8 | 12,060.50 miles (19,409.45 km) SSW | Paraburdoo Airport (PBO) | Paraburdoo, Western Australia, Australia | |
| 9 | 12,036.41 miles (19,370.67 km) SW | Barimunya Airport (BYP) | Barimunya, Western Australia, Australia | |
| 10 | 12,035.84 miles (19,369.76 km) SW | Coondewanna Airport (CJF) | Coondewanna, Western Australia, Australia | |
| 11 | 11,976.11 miles (19,273.63 km) S | Carnarvon Airport (CVQ) | Carnarvon, Western Australia, Australia | |
| 12 | 11,971.14 miles (19,265.63 km) SW | Newman Airport (ZNE) | Newman, Western Australia, Australia | |
| 13 | 11,965.39 miles (19,256.38 km) W | Broome International Airport (BME) | Broome, Western Australia, Australia | |
| 14 | 11,906.28 miles (19,161.25 km) S | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |
| 15 | 11,867.23 miles (19,098.42 km) W | Derby Airport (DRB) | Derby, Western Australia, Australia | |