Nonstop flight route between Fort Sill, Oklahoma, United States and Syros Island, Greece:
Departure Airport:

Arrival Airport:

Distance from FSI to JSY:
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- About this route
- FSI Airport Information
- JSY Airport Information
- Facts about FSI
- Facts about JSY
- Map of Nearest Airports to FSI
- List of Nearest Airports to FSI
- Map of Furthest Airports from FSI
- List of Furthest Airports from FSI
- Map of Nearest Airports to JSY
- List of Nearest Airports to JSY
- Map of Furthest Airports from JSY
- List of Furthest Airports from JSY
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Syros National Airport "Demetrius Vikelas" (JSY), Syros Island, Greece would travel a Great Circle distance of 6,273 miles (or 10,095 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 Henry Post Army Airfield and Syros National Airport "Demetrius Vikelas", 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 Henry Post Army Airfield and Syros National Airport "Demetrius Vikelas". You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | FSI / KFSI |
Airport Name: | Henry Post Army Airfield |
Location: | Fort Sill, Oklahoma, United States |
GPS Coordinates: | 34°38'58"N by 98°24'7"W |
Operator/Owner: | U.S. Army ATCA-ASO |
Airport Type: | Military |
Elevation: | 1189 feet (362 meters) |
# of Runways: | 1 |
View all routes: | Routes from FSI |
More Information: | FSI Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | JSY / LGSO |
Airport Names: |
|
Location: | Syros Island, Greece |
GPS Coordinates: | 37°25'22"N by 24°57'2"E |
Area Served: | Syros Island, Greece |
Airport Type: | Public |
Elevation: | 236 feet (72 meters) |
# of Runways: | 1 |
View all routes: | Routes from JSY |
More Information: | JSY Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- After returning from combat duty in France, a cadre of the 135th Aero Squadron ) was assigned to Post Field as an observation squadron, supplying aircraft for the United States Army Field Artillery School at Fort Sill and supported Army units at Fort Leavenworth, Kansas.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- The closest airport to Henry Post Army Airfield (FSI) is Lawton–Fort Sill Regional Airport (LAW), which is located only 6 miles (9 kilometers) S of FSI.
- The furthest airport from Henry Post Army Airfield (FSI) is Sir Gaëtan Duval Airport (RRG), which is located 10,920 miles (17,575 kilometers) away in Rodrigues Island, Mauritius.
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
Facts about Syros National Airport "Demetrius Vikelas" (JSY):
- Because of Syros National Airport "Demetrius Vikelas"'s relatively low elevation of 236 feet, planes can take off or land at Syros National Airport "Demetrius Vikelas" 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 Syros National Airport "Demetrius Vikelas" (JSY) is Mykonos Island National Airport (JMK), which is located 22 miles (35 kilometers) E of JSY.
- In addition to being known as "Syros National Airport "Demetrius Vikelas"", another name for JSY is "Κρατικός Αερολιμένας Σύρου "Δημήτριος Βικέλας"".
- Syros National Airport "Demetrius Vikelas" (JSY) currently has only 1 runway.
- The furthest airport from Syros National Airport "Demetrius Vikelas" (JSY) is Rurutu Airport (RUR), which is located 11,378 miles (18,311 kilometers) away in Rurutu, French Polynesia.