Nonstop flight route between Waterford, Ireland and St. Mary's, Alaska, United States:

About this route:

A direct, nonstop flight between Waterford Airport (WAT), Waterford, Ireland and St. Mary's Airport (KSM), St. Mary's, Alaska, United States would travel a Great Circle distance of 4,436 miles (or 7,140 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 Waterford 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 Waterford 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:

Arrival Airport Information:

Facts about Waterford Airport (WAT):

• Because of Waterford Airport's relatively low elevation of 119 feet, planes can take off or land at Waterford 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.
• In addition to being known as "Waterford Airport", another name for WAT is "Aerfort Phort Láirge".
• Airport development was initiated by Waterford Corporation with support from the Government of Ireland and the private sector in 1979–1980.
• On 10 January 2008 Aer Arann announced the return of the summer routes to Bordeaux, Faro, Málaga with a new service to Amsterdam.
• Waterford Airport handled 8,000 passengers last year.
• The airport is on the R708 road which can be accessed from the R710 outer ring road in Waterford.
• The furthest airport from Waterford Airport (WAT) is Ryan's Creek Aerodrome (SZS), which is nearly antipodal to Waterford Airport (meaning Waterford Airport is almost on the exact opposite side of the Earth from Ryan's Creek Aerodrome), and is located 12,013 miles (19,333 kilometers) away in Stewart Island, New Zealand.
• The closest airport to Waterford Airport (WAT) is Kilkenny Airport (KKY), which is located 33 miles (53 kilometers) NNW of WAT.
• In February 2010 a Economic Impact Assessment of Waterford Airport was published and it highlighted the importance of Waterford Airport to the South East.

Facts about St. Mary's Airport (KSM):

• 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.
• St. Mary's Airport (KSM) has 2 runways.