Nonstop flight route between SeaTac (near Seattle and Tacoma), Washington, United States and Trondheim, Sør-Trøndelag, Norway:

About this route:

A direct, nonstop flight between Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States and Trondheim Airport, Værnes (TRD), Trondheim, Sør-Trøndelag, Norway would travel a Great Circle distance of 4,362 miles (or 7,019 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 Seattle–Tacoma International Airport and Trondheim Airport, Værnes, 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 Seattle–Tacoma International Airport and Trondheim Airport, Værnes. 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 Seattle–Tacoma International Airport (SEA):

• The two-story North Concourse added four new gate positions and a new wing 600 feet long and 30 feet wide.
• The furthest airport from Seattle–Tacoma International Airport (SEA) is Tôlanaro Airport (FTU), which is located 10,781 miles (17,350 kilometers) away in Tôlanaro, Madagascar.
• The new 3rd runway opened on November 20, 2008, with a total construction cost of $1.1 billion.
• Seattle–Tacoma International Airport handled 34,776,666 passengers last year.
• Because of Seattle–Tacoma International Airport's relatively low elevation of 433 feet, planes can take off or land at Seattle–Tacoma International 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 airport is also served both by the King County Metro bus system and Sound Transit regional express buses.
• The closest airport to Seattle–Tacoma International Airport (SEA) is Renton Municipal Airport (RNT), which is located only 5 miles (9 kilometers) NE of SEA.
• In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
• The April 1957 OAG shows 216 departures a week on United, 80 Northwest, 35 Western, 21 Trans-Canada, 20 Pan Am, 20 Pacific Northern, and 10 Alaska.
• Seattle–Tacoma International Airport (SEA) has 3 runways.
• Interstate 5 and its offshoot Interstate 405 intersect very close to the airport, and most people use private vehicles to arrive at the airport.
• The airport was constructed by the Port of Seattle in 1944 to serve civilians of the region, after the U.S.

Facts about Trondheim Airport, Værnes (TRD):

• Widerøe is a regional airline and was subsidiary of SAS.
• Trondheim Airport is a joint military and civilian airport located in the municipality of Stjørdal in Nord-Trøndelag, with the northern part of the airport bordering the town of Stjørdalshalsen.
• Trondheim Airport, Værnes handled 4,313,547 passengers last year.
• Værnes is first recorded in the 10th century as the seat for one of eight chieftains in Trøndelag.
• In addition to being known as "Trondheim Airport, Værnes", another name for TRD is "Trondheim lufthavn, Værnes".
• Because of Trondheim Airport, Værnes's relatively low elevation of 56 feet, planes can take off or land at Trondheim Airport, Værnes 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 closest airport to Trondheim Airport, Værnes (TRD) is Røros Airport (RRS), which is located 62 miles (100 kilometers) SSE of TRD.
• Værnes was taken into use by the Royal Norwegian Army in 1887.
• The terminal has stands for 18 aircraft, of which seven at Terminal A have jetbridges.
• The furthest airport from Trondheim Airport, Værnes (TRD) is Chatham Islands (CHT), which is located 11,048 miles (17,780 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• Trondheim Airport, Værnes (TRD) has 3 runways.
• Prior to World War II, Heimdal had been proposed as a location for the primary airport for Trondheim.
• Værnes Air Station is one of two air stations in Central Norway, the other being Ørland Main Air Station.