Nonstop flight route between Anglesey, Wales, United Kingdom and between Baltimore, Maryland and Washington, D.C., United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from HLY to BWI:
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- About this route
- HLY Airport Information
- BWI Airport Information
- Facts about HLY
- Facts about BWI
- Map of Nearest Airports to HLY
- List of Nearest Airports to HLY
- Map of Furthest Airports from HLY
- List of Furthest Airports from HLY
- Map of Nearest Airports to BWI
- List of Nearest Airports to BWI
- Map of Furthest Airports from BWI
- List of Furthest Airports from BWI
About this route:
A direct, nonstop flight between Anglesey Airport (HLY), Anglesey, Wales, United Kingdom and Baltimore/Washington International Thurgood Marshall Airport (BWI), between Baltimore, Maryland and Washington, D.C., United States would travel a Great Circle distance of 3,425 miles (or 5,513 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 Anglesey Airport and Baltimore/Washington International Thurgood Marshall 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 Anglesey Airport and Baltimore/Washington International Thurgood Marshall Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | HLY / EGOV | 
| Airport Names: | 
 | 
| Location: | Anglesey, Wales, United Kingdom | 
| GPS Coordinates: | 53°14'53"N by 4°32'7"W | 
| Area Served: | Anglesey Gwynedd | 
| Operator/Owner: | Operon | 
| Airport Type: | Military/Public | 
| Elevation: | 37 feet (11 meters) | 
| # of Runways: | 3 | 
| View all routes: | Routes from HLY | 
| More Information: | HLY Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | BWI / KBWI | 
| Airport Name: | Baltimore/Washington International Thurgood Marshall Airport | 
| Location: | between Baltimore, Maryland and Washington, D.C., United States | 
| GPS Coordinates: | 39°10'31"N by 76°40'5"W | 
| Area Served: | Baltimore–Washington Metropolitan Area | 
| Operator/Owner: | Maryland Aviation Administration | 
| Airport Type: | Public | 
| Elevation: | 146 feet (45 meters) | 
| # of Runways: | 4 | 
| View all routes: | Routes from BWI | 
| More Information: | BWI Maps & Info | 
Facts about Anglesey Airport (HLY):
- The airport's principal stakeholders are RAF Valley, the The Welsh Assembly, the Isle of Anglesey County Council and Cardiff Airport.
- The closest airport to Anglesey Airport (HLY) is Isle of Man Airport (IOM), which is located 58 miles (93 kilometers) N of HLY.
- Plans put forward in early 2006 by the National Assembly for Wales have led to a subsidised weekday air service between the airport and Cardiff Airport, 12 miles west of the Welsh capital in the hope of improving the economy of Anglesey and North Wales in general.
- In addition to being known as "Anglesey Airport", other names for HLY include "Maes Awyr Môn", "RAF Valley" and "VLY".
- For residents of Anglesey, the air service is significantly quicker than surface transport.
- The furthest airport from Anglesey Airport (HLY) is Ryan's Creek Aerodrome (SZS), which is located 11,891 miles (19,136 kilometers) away in Stewart Island, New Zealand.
- Anglesey Airport (HLY) has 3 runways.
- Because of Anglesey Airport's relatively low elevation of 37 feet, planes can take off or land at Anglesey 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 Baltimore/Washington International Thurgood Marshall Airport (BWI):
- Because of Baltimore/Washington International Thurgood Marshall Airport's relatively low elevation of 146 feet, planes can take off or land at Baltimore/Washington International Thurgood Marshall 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.
- Baltimore/Washington International Thurgood Marshall Airport (BWI) has 4 runways.
- The closest airport to Baltimore/Washington International Thurgood Marshall Airport (BWI) is Tipton Airport (FME), which is located only 8 miles (13 kilometers) SW of BWI.
- BWI is currently the busiest airport within the Baltimore–Washington area with 11,067,317 boardings in 2011.
- Baltimore/Washington International Thurgood Marshall Airport handled 22,391,785 passengers last year.
- The BWI Rail Station opened in 1980, providing a rail connection to passengers on the busy Northeast Corridor through Amtrak.
- The furthest airport from Baltimore/Washington International Thurgood Marshall Airport (BWI) is Margaret River Airport (MGV), which is located 11,691 miles (18,814 kilometers) away in Margaret River, Western Australia, Australia.




