Nonstop flight route between Washington, D.C. / Virginia, United States and Ratmalana, Sri Lanka:

About this route:

A direct, nonstop flight between Washington Dulles International Airport (IAD), Washington, D.C. / Virginia, United States and Ratmalana Airport (RML), Ratmalana, Sri Lanka would travel a Great Circle distance of 8,957 miles (or 14,415 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 Washington Dulles International Airport and Ratmalana 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 Washington Dulles International Airport and Ratmalana 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 Washington Dulles International Airport (IAD):

• Traffic by calendar year
• The furthest airport from Washington Dulles International Airport (IAD) is Margaret River Airport (MGV), which is located 11,659 miles (18,763 kilometers) away in Margaret River, Western Australia, Australia.
• The Metropolitan Washington Airports Authority has begun to gradually phase out the mobile lounge system for inter-terminal passenger movements in favor of the AeroTrain, an underground people mover which currently operates to Concourses A, B and C, and a pedestrian walkway system.
• The closest airport to Washington Dulles International Airport (IAD) is Leesburg Executive Airport (JYO), which is located only 11 miles (17 kilometers) NNW of IAD.
• As of 2012, the only Washington Metropolitan Area Transit Authority service to Dulles is the "Express" 5A Metrobus route.
• Because of Washington Dulles International Airport's relatively low elevation of 313 feet, planes can take off or land at Washington Dulles International 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.
• Under the development plan, future phases would see the addition of several new midfield concourses and a new south terminal.
• Washington Dulles International Airport (IAD) has 5 runways.
• The C and D concourses, completed in 1983 and designed by Hellmuth, Obata and Kassabaum, were originally designed as a temporary base for United Airlines, which began hub operations at the airport in 1985.

Facts about Ratmalana Airport (RML):

• The closest airport to Ratmalana Airport (RML) is Bandaranaike International Airport (CMB), which is located 25 miles (40 kilometers) N of RML.
• There are currently 2 terminals at the airport.
• The furthest airport from Ratmalana Airport (RML) is Seymour Airport (GPS), which is located 11,628 miles (18,713 kilometers) away in Baltra Island, Galápagos Islands, Ecuador.
• In 1964, the government decided to build the new Bandaranaike International Airport north of the city, to replace Ratmalana.
• In addition to being known as "Ratmalana Airport", another name for RML is "රත්මලාන ගුවන්තොටුපළஇரத்மலானை விமான நிலைய".
• Because of Ratmalana Airport's relatively low elevation of 16 feet, planes can take off or land at Ratmalana 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.
• During the Second World War it was used as a Royal Air Force base, with No 30 Squadron flying Hawker Hurricanes from there against Japanese Navy aircraft.
• Ratmalana Airport (RML) currently has only 1 runway.