Nonstop flight route between Sofia, Bulgaria and Rockland, Maine, United States:

About this route:

A direct, nonstop flight between Sofia Airport Vrazhdebna (SOF), Sofia, Bulgaria and Knox County Regional Airport (RKD), Rockland, Maine, United States would travel a Great Circle distance of 4,377 miles (or 7,045 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 Sofia Airport Vrazhdebna and Knox County Regional 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 Sofia Airport Vrazhdebna and Knox County Regional 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 Sofia Airport Vrazhdebna (SOF):

• By the late 1970s, the terminal was handling in the region of three million passengers a year, a million of them on domestic routes.
• On 19 August 2011 in the presence of Ivaylo Moskovski, minister of transport, information technology and communications, the BULATSA director general Diyan Dinev, Glavbolgarstroy AD chief executive director Pavel Kalistratov and Glavbolgarstroy AD executive director and management board member Nina Stoyanova signed the design execution and construction contract between BULATSA and Glavbolgarstroy AD for the new control tower at Sofia Airport.
• Sofia Airport Vrazhdebna handled 350,432 passengers last year.
• In addition to being known as "Sofia Airport Vrazhdebna", other names for SOF include "Vrazhdebna Airport" and "Летище София".
• The manager will have full visibility over the airport, to guide aircraft landing and taking off.
• Total cost of the project was planned at 200 million euros.
• Sofia Airport Vrazhdebna (SOF) currently has only 1 runway.
• The closest airport to Sofia Airport Vrazhdebna (SOF) is Plovdiv Airport (PDV), which is located 86 miles (138 kilometers) ESE of SOF.
• The furthest airport from Sofia Airport Vrazhdebna (SOF) is Chatham Islands (CHT), which is located 11,437 miles (18,405 kilometers) away in Waitangi, Chatham Islands, New Zealand.

Facts about Knox County Regional Airport (RKD):

• Knox County Regional Airport covers an area of 538 acres at an elevation of 56 feet above mean sea level.
• The closest airport to Knox County Regional Airport (RKD) is Wiscasset Airport (ISS), which is located 31 miles (50 kilometers) WSW of RKD.
• Because of Knox County Regional Airport's relatively low elevation of 56 feet, planes can take off or land at Knox County Regional 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 furthest airport from Knox County Regional Airport (RKD) is Albany Airport (ALH), which is located 11,708 miles (18,842 kilometers) away in Albany, Western Australia, Australia.
• The airport was built during World War II and became locally known as the "Ash Point Naval Air Station" while officially operating as Rockland Naval Auxiliary Air Facility from April 15, 1943 until February 1, 1946.
• Knox County Regional Airport (RKD) has 2 runways.