Nonstop flight route between Sion, Switzerland and Okinawa, Japan:

About this route:

A direct, nonstop flight between Sion Airport (SIR), Sion, Switzerland and Naha Airport (OKA), Okinawa, Japan would travel a Great Circle distance of 6,197 miles (or 9,974 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 Sion Airport and Naha 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 Sion Airport and Naha 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 Sion Airport (SIR):

• In addition to being known as "Sion Airport", other names for SIR include "Aéroport de Sion" and "LSGS /LSMS".
• The furthest airport from Sion Airport (SIR) is Chatham Islands (CHT), which is nearly antipodal to Sion Airport (meaning Sion Airport is almost on the exact opposite side of the Earth from Chatham Islands), and is located 12,188 miles (19,615 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• Sion Airport (SIR) has 2 runways.
• The closest airport to Sion Airport (SIR) is Aosta Valley Airport (AOT), which is located 33 miles (54 kilometers) S of SIR.

Facts about Naha Airport (OKA):

• Naha Airport (OKA) currently has only 1 runway.
• Because of Naha Airport's relatively low elevation of 11 feet, planes can take off or land at Naha 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 closest airport to Naha Airport (OKA) is Kadena Air Base 嘉手納飛行場 Kadena Hikōjō (DNA), which is located only 13 miles (21 kilometers) NE of OKA.
• Air America operated interisland flights to Miyako and Ishigaki from 1964 to 1967, when Southwest Airlines took over these routes.
• All Nippon Airways operates an overnight cargo hub at Naha Airport, which receives inbound Boeing 767 freighter flights from key destinations in Japan, China and Southeast Asia between 1 and 4 a.m., followed by return flights between 4 and 6 a.m., allowing overnight service between these regional hubs as well as onward connections to other ANA and partner carrier flights.
• The furthest airport from Naha Airport (OKA) is Paulo Abdala Airport (FBE), which is nearly antipodal to Naha Airport (meaning Naha Airport is almost on the exact opposite side of the Earth from Paulo Abdala Airport), and is located 12,392 miles (19,943 kilometers) away in Francisco Beltrao, Paraná, Brazil.
• Okinawa was returned to Japan in 1972.
• The airport is served by the Okinawa Monorail which carries passengers from Naha-kūkō Station to the center of Naha, and to the terminal at Shuri Station near Shuri Castle.
• In addition to being known as "Naha Airport", other names for OKA include "那覇空港" and "Naha Kūkō".