Nonstop flight route between Billings, Montana, United States and Derry, Northern Ireland, United Kingdom:

About this route:

A direct, nonstop flight between Billings Logan International Airport (BIL), Billings, Montana, United States and City of Derry Airport (LDY), Derry, Northern Ireland, United Kingdom would travel a Great Circle distance of 4,105 miles (or 6,607 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 Billings Logan International Airport and City of Derry 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 Billings Logan International Airport and City of Derry 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 Billings Logan International Airport (BIL):

• The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service airport.Federal Aviation Administration records say the airport had 422,494 passenger boardings in calendar year 2008, 397,073 in 2009 and 388,329 in 2010.
• The furthest airport from Billings Logan International Airport (BIL) is Sir Gaëtan Duval Airport (RRG), which is located 10,579 miles (17,025 kilometers) away in Rodrigues Island, Mauritius.
• There are nine taxiways currently in use.
• For at least part of each year 1977–1981 Billings saw scheduled Northwest DC-10s EWR-DTW-ORD-BIL-GTF-GEG-SEA and back.
• The closest airport to Billings Logan International Airport (BIL) is Roundup Airport (RPX), which is located 46 miles (74 kilometers) N of BIL.
• Billings Logan International Airport (BIL) has 3 runways.
• Improvements over the years include runway lights in 1935 to the new 120-foot air traffic control tower in 2005.
• Billings Logan International Airport handled 899,302 passengers last year.

Facts about City of Derry Airport (LDY):

• The closest airport to City of Derry Airport (LDY) is Belfast International Airport (BFS), which is located 46 miles (74 kilometers) SE of LDY.
• In mid-2009 work commenced on dualling the A2 from Maydown to Eglinton and the airport, which now provides a high speed dual carriageway connection to the city.
• City of Derry Airport (LDY) currently has only 1 runway.
• The recently completed runway safety zone extension and apron works has allowed the CAA to lift the capacity restriction on aircraft operating out of the airport.
• The furthest airport from City of Derry Airport (LDY) is Ryan's Creek Aerodrome (SZS), which is located 11,838 miles (19,051 kilometers) away in Stewart Island, New Zealand.
• In addition to being known as "City of Derry Airport", another name for LDY is "Londonderry/Eglinton Airport[1]".
• As of April 2010, it has been reported that the airport has emerged from passenger recession, with passenger numbers released for February of the same year showing an increase over that of the same period for the year before.
• Because of City of Derry Airport's relatively low elevation of 23 feet, planes can take off or land at City of Derry 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.
• City of Derry Airport handled 384,973 passengers last year.
• A major redevelopment programme was undertaken by the Council from 1989 to 1993 with grant aid from the European Regional Development Fund.