Nonstop flight route between Blountville, Tennessee (Tri-Cities area), United States and Sofia, Bulgaria:

About this route:

A direct, nonstop flight between Tri-Cities Regional Airport (TRI), Blountville, Tennessee (Tri-Cities area), United States and Sofia Airport Vrazhdebna (SOF), Sofia, Bulgaria would travel a Great Circle distance of 5,251 miles (or 8,450 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 Tri-Cities Regional 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 Tri-Cities Regional 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 Tri-Cities Regional Airport (TRI):

• Tri-Cities Regional Airport (TRI) has 2 runways.
• In addition to being known as "Tri-Cities Regional Airport", another name for TRI is "Tri-Cities Regional Airport, TN/VA".
• In January 2008 a quick service restaurant, Tailwind Express, was added in the post-security area of the airport along with the Tailwind Restaurant and Lounge in the pre-security area.
• The closest airport to Tri-Cities Regional Airport (TRI) is Virginia Highlands Airport (VJI), which is located 25 miles (41 kilometers) NE of TRI.
• Federal Aviation Administration records say the airport had 202,730 passenger boardings in calendar year 2008, 217,783 in 2009 and 202,114 in 2010.
• The furthest airport from Tri-Cities Regional Airport (TRI) is Margaret River Airport (MGV), which is located 11,434 miles (18,402 kilometers) away in Margaret River, Western Australia, Australia.

Facts about Sofia Airport Vrazhdebna (SOF):

• In mid-2012 the airport will have one of the most modern and most beautiful airport towers in Europe.
• In addition to being known as "Sofia Airport Vrazhdebna", other names for SOF include "Vrazhdebna Airport" and "Летище София".
• Sofia Airport Vrazhdebna handled 350,432 passengers last year.
• 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.
• 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 (SOF) currently has only 1 runway.
• 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.
• A significant and recurring operational criticism of Sofia Airport has concerned its historical lack of all-weather operations capability.
• During the Second World War, the facilities were used by the military.