Nonstop flight route between Union Island, Saint Vincent and the Grenadines and Houlton, Maine, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from UNI to HUL:
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- About this route
- UNI Airport Information
- HUL Airport Information
- Facts about UNI
- Facts about HUL
- 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 HUL
- List of Nearest Airports to HUL
- Map of Furthest Airports from HUL
- List of Furthest Airports from HUL
About this route:
A direct, nonstop flight between Union Island Airport (UNI), Union Island, Saint Vincent and the Grenadines and Houlton International Airport (HUL), Houlton, Maine, United States would travel a Great Circle distance of 2,346 miles (or 3,776 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 Houlton International Airport, 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: | HUL / KHUL | 
| Airport Name: | Houlton International Airport | 
| Location: | Houlton, Maine, United States | 
| GPS Coordinates: | 46°7'23"N by 67°47'30"W | 
| Area Served: | Houlton, Maine | 
| Operator/Owner: | Town of Houlton | 
| Airport Type: | Public | 
| Elevation: | 489 feet (149 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from HUL | 
| More Information: | HUL 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 Houlton International Airport (HUL):
- The airport originated as Houlton Army Air Base.
- The closest airport to Houlton International Airport (HUL) is Northern Maine Regional Airport at Presque Isle (PQI), which is located 41 miles (66 kilometers) NNW of HUL.
- The furthest airport from Houlton International Airport (HUL) is Albany Airport (ALH), which is located 11,611 miles (18,686 kilometers) away in Albany, Western Australia, Australia.
- Houlton International Airport is a public-use airport located two miles east of Houlton, Maine, in the town of Houlton in Aroostook County, Maine, United States, on the border of New Brunswick, Canada.
- Houlton International Airport (HUL) has 2 runways.
- Because of Houlton International Airport's relatively low elevation of 489 feet, planes can take off or land at Houlton 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.




