Nonstop flight route between Piarco (near Port of Spain), Trinidad and Tobago and Washington, D.C. / Virginia, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from POS to IAD:
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- About this route
- POS Airport Information
- IAD Airport Information
- Facts about POS
- Facts about IAD
- Map of Nearest Airports to POS
- List of Nearest Airports to POS
- Map of Furthest Airports from POS
- List of Furthest Airports from POS
- Map of Nearest Airports to IAD
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- Map of Furthest Airports from IAD
- List of Furthest Airports from IAD
About this route:
A direct, nonstop flight between Piarco International Airport (POS), Piarco (near Port of Spain), Trinidad and Tobago and Washington Dulles International Airport (IAD), Washington, D.C. / Virginia, United States would travel a Great Circle distance of 2,196 miles (or 3,534 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 Piarco International Airport and Washington Dulles International Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | POS / TTPP | 
| Airport Names: | 
 | 
| Location: | Piarco (near Port of Spain), Trinidad and Tobago | 
| GPS Coordinates: | 10°35'43"N by 61°20'13"W | 
| Area Served: | Port of Spain | 
| Operator/Owner: | City of Port of Spain | 
| Airport Type: | Public | 
| Elevation: | 58 feet (18 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from POS | 
| More Information: | POS Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | IAD / KIAD | 
| Airport Name: | Washington Dulles International Airport | 
| Location: | Washington, D.C. / Virginia, United States | 
| GPS Coordinates: | 38°56'39"N by 77°27'20"W | 
| Area Served: | Washington metropolitan area | 
| Airport Type: | Public | 
| Elevation: | 313 feet (95 meters) | 
| # of Runways: | 5 | 
| View all routes: | Routes from IAD | 
| More Information: | IAD Maps & Info | 
Facts about Piarco International Airport (POS):
- The furthest airport from Piarco International Airport (POS) is Umbu Mehang Kunda Airport (WGP), which is nearly antipodal to Piarco International Airport (meaning Piarco International Airport is almost on the exact opposite side of the Earth from Umbu Mehang Kunda Airport), and is located 12,308 miles (19,808 kilometers) away in Waingapu, Sumba, East Nusa Tenggara, Indonesia.
- In addition to being known as "Piarco International Airport", another name for POS is "78970[1][2]".
- Because of Piarco International Airport's relatively low elevation of 58 feet, planes can take off or land at Piarco 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.
- The closest airport to Piarco International Airport (POS) is A.N.R. Robinson International Airport (TAB), which is located 51 miles (83 kilometers) NE of POS.
- Piarco International Airport (POS) currently has only 1 runway.
- The new North Terminal consists of 35,964 m2 of building with 14-second-level aircraft gates for international flights and 2 ground level domestic gates.
- A major expansion of the airport, which included the construction of a new terminal building, and high-speed taxiways, was completed in 2001.
Facts about Washington Dulles International Airport (IAD):
- The main terminal was extended in 1996 to 1,240 feet —Saarinen's original design length—which was slightly more than double its originally constructed length of 600 feet.
- Under the development plan, future phases would see the addition of several new midfield concourses and a new south terminal.
- Because of Washington Dulles International Airport's relatively low elevation of 313 feet, planes can take off or land at Washington Dulles 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.
- Washington Dulles International Airport (IAD) has 5 runways.
- The closest airport to Washington Dulles International Airport (IAD) is Leesburg Executive Airport (JYO), which is located only 11 miles (17 kilometers) NNW of IAD.
- The furthest airport from Washington Dulles International Airport (IAD) is Margaret River Airport (MGV), which is located 11,659 miles (18,763 kilometers) away in Margaret River, Western Australia, Australia.
- Since many major domestic and international airlines have a large presence at Washington Dulles, there are several airline lounges in active operation there.




