Nonstop flight route between Sofia, Bulgaria and Hayden, Colorado, United States:

About this route:

A direct, nonstop flight between Sofia Airport Vrazhdebna (SOF), Sofia, Bulgaria and Yampa Valley Airport (HDN), Hayden, Colorado, United States would travel a Great Circle distance of 5,916 miles (or 9,521 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 Yampa Valley 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 Yampa Valley 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):

• 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.
• The new Sofia tower will be situated to the west of Terminal 2 and will be complementing the terminal building in architectural terms.
• The passenger terminal building is designed with a capacity of 2,000 peak hour passengers or up to 2.6 million passengers a year, plus 26,000 tonnes of luggage.
• 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.
• According to the plan a new Sofia airport terminal was built to the east of the old terminal and a second runway was constructed alongside the existing one.
• 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.
• In addition to being known as "Sofia Airport Vrazhdebna", other names for SOF include "Vrazhdebna Airport" and "Летище София".

Facts about Yampa Valley Airport (HDN):

• The airport is in the National Plan of Integrated Airport Systems for 2011–2015, which called it a primary commercial service airport.Federal Aviation Administration records say it had 136,600 passenger boardings in calendar year 2008, 122,480 in 2009 and 110,044 in 2010.
• Yampa Valley Airport (HDN) currently has only 1 runway.
• The closest airport to Yampa Valley Airport (HDN) is Craig–Moffat Airport (CIG), which is located only 16 miles (26 kilometers) W of HDN.
• In addition to being known as "Yampa Valley Airport", another name for HDN is "Yampa Valley Regional Airport".
• The furthest airport from Yampa Valley Airport (HDN) is Sir Gaëtan Duval Airport (RRG), which is located 10,901 miles (17,543 kilometers) away in Rodrigues Island, Mauritius.
• Because of Yampa Valley Airport's high elevation of 6,606 feet, planes must typically fly at a faster airspeed in order to takeoff or land at HDN. Combined with a high temperature, this could make HDN a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
• There is no Air Traffic Control Tower at the airport.