Nonstop flight route between Stara Zagora, Bulgaria and Santa Rosa, California, United States:

About this route:

A direct, nonstop flight between Stara Zagora Airport (SZR), Stara Zagora, Bulgaria and Charles M. Schulz–Sonoma County Airport (STS), Santa Rosa, California, United States would travel a Great Circle distance of 6,508 miles (or 10,473 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 Stara Zagora Airport and Charles M. Schulz–Sonoma County 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 Stara Zagora Airport and Charles M. Schulz–Sonoma County 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 Stara Zagora Airport (SZR):

• The closest airport to Stara Zagora Airport (SZR) is Haskovo Malevo Airport (HKV), which is located 28 miles (45 kilometers) S of SZR.
• In addition to being known as "Stara Zagora Airport", other names for SZR include "Letishte Stara Zagora" and "Летище Стара Загора".
• The furthest airport from Stara Zagora Airport (SZR) is Chatham Islands (CHT), which is located 11,320 miles (18,218 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• Because of Stara Zagora Airport's relatively low elevation of 643 feet, planes can take off or land at Stara Zagora 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.

Facts about Charles M. Schulz–Sonoma County Airport (STS):

• Opened in June 1942 and known as Santa Rosa Army Air Field, the airfield was assigned to Fourth Air Force as a group and replacement training airfield.
• In addition to being known as "Charles M. Schulz–Sonoma County Airport", another name for STS is "Santa Rosa Army Airfield".
• Charles M. Schulz–Sonoma County Airport (STS) has 2 runways.
• The furthest airport from Charles M. Schulz–Sonoma County Airport (STS) is Tôlanaro Airport (FTU), which is located 11,331 miles (18,235 kilometers) away in Tôlanaro, Madagascar.
• Because of Charles M. Schulz–Sonoma County Airport's relatively low elevation of 125 feet, planes can take off or land at Charles M. Schulz–Sonoma County 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.
• Around 1986 United Airlines entered into a code share agreement with WestAir, a commuter airline that served STS, which in turn began flying as United Express with service to SFO until 2001.
• The Sonoma Air Attack Base of the California Department of Forestry and Fire Protection was established in 1964 and is located at the northeast corner of the airport.
• The closest airport to Charles M. Schulz–Sonoma County Airport (STS) is Marin County Airport (NOT), which is located 29 miles (46 kilometers) SSE of STS.
• In August 2013 the airport started a project to decouple the ends of the two runways and extend runway 14/32 by 885 feet, to 6000 feet and extend runway 1/19 by 200 feet, to 5202 feet.