Nonstop flight route between Portland, Maine, United States and Shannon (County Clare), Ireland:

About this route:

A direct, nonstop flight between Portland International Jetport (PWM), Portland, Maine, United States and Shannon Airport (SNN), Shannon (County Clare), Ireland would travel a Great Circle distance of 2,807 miles (or 4,517 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 Portland International Jetport and Shannon 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 Portland International Jetport and Shannon 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 Portland International Jetport (PWM):

• The furthest airport from Portland International Jetport (PWM) is Margaret River Airport (MGV), which is located 11,705 miles (18,838 kilometers) away in Margaret River, Western Australia, Australia.
• Portland International Jetport (PWM) has 2 runways.
• Boston-Maine Airways had a monopoly on passenger air travel at Portland, which continued after the airline was renamed Northeast Airlines.
• That same year, regional Ransome Airlines, doing business as Delta Connection, began a route between Portland and Boston.
• In June 1983 United Airlines arrived in Portland, planning to be the only airline to serve 50 states.
• Because of Portland International Jetport's relatively low elevation of 76 feet, planes can take off or land at Portland International Jetport 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.
• 1986 also brought US Airways, who began flights to Philadelphia and Pittsburgh.
• Jet flights began in 1968, and for the first time Portland got a nonstop beyond Boston when Northeast DC-9s flew to La Guardia.
• The closest airport to Portland International Jetport (PWM) is Naval Air Station Brunswick (NHZ), which is located 25 miles (40 kilometers) NE of PWM.
• Some service began to return as the industry's economics improved in 2005 and 2006.
• In 1972 Northeast Airlines was bought by Delta Air Lines which retained its routes to Bangor, Boston, and New York.

Facts about Shannon Airport (SNN):

• In November 2012, Aer Lingus also confirmed a new three-times-weekly service to Faro, Portugal, operating from May to September with an Airbus A320, strengthening Shannon's summer-sun destinations.
• Shannon Airport handled 1,400,032 passengers last year.
• The closest airport to Shannon Airport (SNN) is Inisheer Aerodrome (INQ), which is located 35 miles (56 kilometers) NW of SNN.
• The furthest airport from Shannon Airport (SNN) is Ryan's Creek Aerodrome (SZS), which is nearly antipodal to Shannon Airport (meaning Shannon Airport is almost on the exact opposite side of the Earth from Ryan's Creek Aerodrome), and is located 12,015 miles (19,336 kilometers) away in Stewart Island, New Zealand.
• In November 2013, Aer Lingus announced a new twice-weekly service from Shannon to Malaga.
• During the 1990s, the airport began to struggle.
• Because of Shannon Airport's relatively low elevation of 46 feet, planes can take off or land at Shannon 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 "Shannon Airport", another name for SNN is "Aerfort na Sionainne".
• Shannon Airport (SNN) currently has only 1 runway.
• In 1936, the Government of Ireland confirmed that it would develop a 3.1 km2 site at Rineanna for the country's first transatlantic airport.
• Shannon began to rebound in the late 1990s with the success of the Irish economy, the improving situation in Northern Ireland, and an influx of American tourists.