Nonstop flight route between Yamagata, Japan and Keflavík (near Reykjavík), Iceland:
Departure Airport:

Arrival Airport:

Distance from SYO to KEF:
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- About this route
- SYO Airport Information
- KEF Airport Information
- Facts about SYO
- Facts about KEF
- Map of Nearest Airports to SYO
- List of Nearest Airports to SYO
- Map of Furthest Airports from SYO
- List of Furthest Airports from SYO
- Map of Nearest Airports to KEF
- List of Nearest Airports to KEF
- Map of Furthest Airports from KEF
- List of Furthest Airports from KEF
About this route:
A direct, nonstop flight between Shonai Airport (SYO), Yamagata, Japan and Keflavík International Airport (KEF), Keflavík (near Reykjavík), Iceland would travel a Great Circle distance of 5,269 miles (or 8,480 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 Shonai Airport and Keflavík International 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 Shonai Airport and Keflavík International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | SYO / RJSY |
Airport Names: |
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Location: | Yamagata, Japan |
GPS Coordinates: | 38°48'43"N by 139°47'13"E |
Area Served: | Sakata, Yamagata |
Airport Type: | Public |
Elevation: | 72 feet (22 meters) |
# of Runways: | 1 |
View all routes: | Routes from SYO |
More Information: | SYO Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | KEF / BIKF |
Airport Names: |
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Location: | Keflavík (near Reykjavík), Iceland |
GPS Coordinates: | 63°59'5"N by 22°36'20"W |
Area Served: | Greater Reykjavík Area |
Airport Type: | Public |
Elevation: | 171 feet (52 meters) |
# of Runways: | 2 |
View all routes: | Routes from KEF |
More Information: | KEF Maps & Info |
Facts about Shonai Airport (SYO):
- Because of Shonai Airport's relatively low elevation of 72 feet, planes can take off or land at Shonai 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.
- Shonai Airport (SYO) currently has only 1 runway.
- The airport opened in 1991 after lobbying efforts by local chambers of commerce, as the area was highly isolated from the major cities of Tokyo and Osaka, requiring half a day of travel to reach either.
- The closest airport to Shonai Airport (SYO) is Yamagata Airport (GAJ), which is located 42 miles (67 kilometers) SE of SYO.
- In addition to being known as "Shonai Airport", other names for SYO include "庄内空港" and "Shonai Kūkō".
- The furthest airport from Shonai Airport (SYO) is Rio Grande Regional Airport (RIG), which is located 11,620 miles (18,701 kilometers) away in Rio Grande, Brazil.
- In December 2012, an ANA flight landing from Tokyo overran the runway at Shonai.
Facts about Keflavík International Airport (KEF):
- Keflavík Airport only handles international flights, domestic flights and flights to Greenland and the Faroe Islands are operated from Reykjavík's domestic airport.
- Keflavík International Airport (KEF) has 2 runways.
- In addition to being known as "Keflavík International Airport", another name for KEF is "Keflavíkurflugvöllur".
- The closest airport to Keflavík International Airport (KEF) is Reykjavík Airport (RKV), which is located 22 miles (36 kilometers) ENE of KEF.
- Because of Keflavík International Airport's relatively low elevation of 171 feet, planes can take off or land at Keflavík 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 presence of foreign military forces in Iceland under the NATO sponsored Iceland–U.S.
- The furthest airport from Keflavík International Airport (KEF) is Ryan's Creek Aerodrome (SZS), which is located 11,188 miles (18,005 kilometers) away in Stewart Island, New Zealand.
- The 10,000-foot-long and 200-foot-wide runways are long enough to support NASA's Space Shuttle and also the Antonov An-225.