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

About this route:

A direct, nonstop flight between Shannon Airport (SNN), Shannon (County Clare), Ireland and Portland International Jetport (PWM), Portland, Maine, United States 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 Shannon Airport and Portland International Jetport, 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 Shannon Airport and Portland International Jetport. 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 Shannon Airport (SNN):

• Shannon Airport handled 1,400,032 passengers last year.
• In November 2013, Aer Lingus announced a new twice-weekly service from Shannon to Malaga.
• The longest runway in Ireland, at 3,199 metres, is located at Shannon.
• In 1969, it was announced that a new government agency, Aer Rianta, would be given responsibility for Shannon Airport.
• 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.
• 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 1990, the US-Irish bilateral agreement was changed to allow Irish airlines to serve Los Angeles and additional US airlines to serve Dublin via Shannon.
• 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.

Facts about Portland International Jetport (PWM):

• 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.
• 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.
• 1987 saw the arrival of Continental Airlines, when the airline bought PEOPLExpress and took over their routes.
• Portland International Jetport (PWM) has 2 runways.
• Portland International Jetport is a public airport two miles west of downtown Portland, in Cumberland County, Maine.
• The closest airport to Portland International Jetport (PWM) is Naval Air Station Brunswick (NHZ), which is located 25 miles (40 kilometers) NE of PWM.
• In 1981 Air New England ceased operations and pulled out of the Jetport after 11 years.
• In 2008 Delta Air Lines resumed mainline service to Portland, a daily flight to Atlanta on a McDonnell Douglas MD-88.