Nonstop flight route between Keene, New Hampshire, United States and Sofia, Bulgaria:

About this route:

A direct, nonstop flight between Dillant–Hopkins Airport (EEN), Keene, New Hampshire, United States and Sofia Airport Vrazhdebna (SOF), Sofia, Bulgaria would travel a Great Circle distance of 4,553 miles (or 7,328 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 Dillant–Hopkins Airport and Sofia Airport Vrazhdebna, 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 Dillant–Hopkins Airport and Sofia Airport Vrazhdebna. 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 Dillant–Hopkins Airport (EEN):

• The city had enjoyed six decades of regularly scheduled airline service since the 1940s with multiple daily flights operated with a mix of commuter, regional prop, and mainline jet service.
• The closest airport to Dillant–Hopkins Airport (EEN) is Jaffrey Airport - Silver Ranch Airpark (AFN), which is located only 15 miles (24 kilometers) ESE of EEN.
• 1954 would see Northeast Airlines begin its air freight service out of the airport, six years after air freight service first began there.
• Initially Dillant–Hopkins provided air service of two flights a day before being forced to fly a single flight a day.
• In 1945 a steel hangar was constructed at the airport which would also see local operations moved to it from West Keene.
• Because of Dillant–Hopkins Airport's relatively low elevation of 149 feet, planes can take off or land at Dillant–Hopkins 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 Dillant–Hopkins Airport (EEN) is Margaret River Airport (MGV), which is located 11,700 miles (18,830 kilometers) away in Margaret River, Western Australia, Australia.
• Dillant–Hopkins Airport (EEN) has 2 runways.

Facts about Sofia Airport Vrazhdebna (SOF):

• The closest airport to Sofia Airport Vrazhdebna (SOF) is Plovdiv Airport (PDV), which is located 86 miles (138 kilometers) ESE of SOF.
• Sofia Airport Vrazhdebna (SOF) currently has only 1 runway.
• Design and construction of a new control tower was discussed in 2006 but this project appeared to be in abeyance by 2008.
• Two de-icing platforms are constructed to allow centralised de-icing procedures in winter.
• In mid-2012 the airport will have one of the most modern and most beautiful airport towers in Europe.
• In 2004 Strabag demanded an additional 6 million euro due to rising steel prices.
• Sofia Airport Vrazhdebna handled 350,432 passengers last year.
• Service life of the new airport control tower will be more than 40 years and is designed to serve the airport with a possible extension.
• The project for the construction of a new airport control tower at Sofia Airport commenced on 16 June 2006 with a decision of the BULATSA Management Board.
• 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.
• Sofia Airport, sometimes also called Sofia-Vrazhdebna Airport, is the main airport of Bulgaria.
• Contract for detailed design and construction of a new control tower of the airport and forming an ATM Glavbolgarstroy.
• In addition to being known as "Sofia Airport Vrazhdebna", other names for SOF include "Vrazhdebna Airport" and "Летище София".