Nonstop flight route between Fort Sill, Oklahoma, United States and San Juan, Puerto Rico:
Departure Airport:

Arrival Airport:

Distance from FSI to SJU:
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- About this route
- FSI Airport Information
- SJU Airport Information
- Facts about FSI
- Facts about SJU
- 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 SJU
- List of Nearest Airports to SJU
- Map of Furthest Airports from SJU
- List of Furthest Airports from SJU
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Luis Muñoz Marín International Airport (SJU), San Juan, Puerto Rico would travel a Great Circle distance of 2,279 miles (or 3,668 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 relatively short distance between Henry Post Army Airfield and Luis Muñoz Marín International Airport, the route shown on this map most likely still appears to be a straight line.
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: | SJU / TJSJ |
Airport Names: |
|
Location: | San Juan, Puerto Rico |
GPS Coordinates: | 18°26'21"N by 66°0'6"W |
Area Served: | San Juan, Puerto Rico |
Operator/Owner: | Puerto Rico Ports Authority |
Airport Type: | Public |
Elevation: | 9 feet (3 meters) |
# of Runways: | 2 |
View all routes: | Routes from SJU |
More Information: | SJU Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- Air Service/Corps units assigned to Post Field between 1919 and 1941
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- 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.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.
- Fort Sill has embarked on a new plan to support the museum in providing a more dynamic learning experience for the 200,000 military and civilian personnel who visit each year.
Facts about Luis Muñoz Marín International Airport (SJU):
- Luis Muñoz Marín International Airport (SJU) has 2 runways.
- The furthest airport from Luis Muñoz Marín International Airport (SJU) is Barrow Island Airport (BWB), which is nearly antipodal to Luis Muñoz Marín International Airport (meaning Luis Muñoz Marín International Airport is almost on the exact opposite side of the Earth from Barrow Island Airport), and is located 12,246 miles (19,708 kilometers) away in Barrow Island, Western Australia, Australia.
- The airport serves as the Caribbean hub for Cape Air, Air Sunshine, and Seaborne Airlines, as well as a focus city for JetBlue Airways.
- Until 1955, the Fernando Luis Ribas Dominicci Airport was the main international airport of Puerto Rico.
- In addition to being known as "Luis Muñoz Marín International Airport", another name for SJU is "Aeropuerto Internacional Luis Muñoz Marín".
- Luis Muñoz Marín International Airport is the Island's main international gateway and its main connection to the United States.
- The closest airport to Luis Muñoz Marín International Airport (SJU) is Fernando Luis Ribas Dominicci Airport (SIG), which is located only 6 miles (10 kilometers) W of SJU.
- Because of Luis Muñoz Marín International Airport's relatively low elevation of 9 feet, planes can take off or land at Luis Muñoz Marín 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.