Nonstop flight route between Sofia, Bulgaria and Sault Ste. Marie, Michigan, United States:

About this route:

A direct, nonstop flight between Sofia Airport Vrazhdebna (SOF), Sofia, Bulgaria and Kincheloe Air Force Base (INR), Sault Ste. Marie, Michigan, United States would travel a Great Circle distance of 4,871 miles (or 7,839 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 Kincheloe Air Force Base, 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 Kincheloe Air Force Base. 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):

• A significant and recurring operational criticism of Sofia Airport has concerned its historical lack of all-weather operations capability.
• Lufthansa Technik Sofia was founded in late 2007 as a joint venture between Lufthansa Technik and the Bulgarian Aviation Group.
• 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 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.
• During the Second World War, the facilities were used by the military.
• The airport was initially built in the late 1930s on a site 6.3 km by road then.
• 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".

Facts about Kincheloe Air Force Base (INR):

• The importance of Kincheloe AFB to ADC was evident in 1960 with some major changes.
• The furthest airport from Kincheloe Air Force Base (INR) is Margaret River Airport (MGV), which is located 11,103 miles (17,869 kilometers) away in Margaret River, Western Australia, Australia.
• The closest airport to Kincheloe Air Force Base (INR) is Chippewa County International Airport (CIU), which is located only 0 mile (0 kilometer) N of INR.
• On 16 February 1953, the first operational ADC unit, the 534th Air Defense Group was activated at Kinross AFB.
• On 1 Oct 1968, the 449th became the host unit assigned to Kincheloe AFB with the inactivations of the 507th Fighter Wing and the activations & Organizations of the 449th Combat Support Group, the 449th Civil Engineering Squadron, 449th Security Police Squadron, 449th Services Squadron, 449th Supply Squadron, and the 449th Transportation Squadron.
• On 2 February 1959, Strategic Air Command established the 4239th Strategic Wing at Kincheloe AFB, Michigan as part of SAC's plan to disburse its B-52 Stratofortress heavy bombers over a larger number of bases, thus making it more difficult for the Soviet Union to knock out the entire fleet with a surprise first strike.