Nonstop flight route between Borden, Ontario, Canada and Fort Sill, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from YBN to FSI:
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- About this route
- YBN Airport Information
- FSI Airport Information
- Facts about YBN
- Facts about FSI
- Map of Nearest Airports to YBN
- List of Nearest Airports to YBN
- Map of Furthest Airports from YBN
- List of Furthest Airports from YBN
- Map of Nearest Airports to FSI
- List of Nearest Airports to FSI
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- List of Furthest Airports from FSI
About this route:
A direct, nonstop flight between Canadian Forces Base Borden (YBN), Borden, Ontario, Canada and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 1,185 miles (or 1,907 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 Canadian Forces Base Borden and Henry Post Army Airfield, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | YBN / CYBN |
Airport Names: |
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Location: | Borden, Ontario, Canada |
GPS Coordinates: | 44°16'18"N by 79°54'44"W |
Operator/Owner: | The Queen in Right of Canada |
Airport Type: | Military |
Elevation: | 729 feet (222 meters) |
View all routes: | Routes from YBN |
More Information: | YBN Maps & Info |
Arrival 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 |
Facts about Canadian Forces Base Borden (YBN):
- The Air Force Annex of the Base Borden Military Museum is dedicated to the memory of First World War Victoria Cross recipient Lieutenant Alan McLeod, the youngest Canadian Airman to receive the award.
- In August 2010, the Canadian department of Defence announced a C$209 million series of projects to construct new facilities, and upgrade existing facilities, at CFB Borden.
- The closest airport to Canadian Forces Base Borden (YBN) is Buttonville Airport (YKZ), which is located 39 miles (63 kilometers) SE of YBN.
- In addition to being known as "Canadian Forces Base Borden", other names for YBN include "16 Wing Borden" and "Borden Heliport".
- Because of Canadian Forces Base Borden's relatively low elevation of 729 feet, planes can take off or land at Canadian Forces Base Borden 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 furthest airport from Canadian Forces Base Borden (YBN) is Margaret River Airport (MGV), which is located 11,364 miles (18,288 kilometers) away in Margaret River, Western Australia, Australia.
- At the height of the First World War, the Borden Military Camp opened at a location on a glacial moraine west of Barrie in 1916 to train units for the Canadian Expeditionary Force.
- A third landing field, known locally as Leach's Field, was operated by Camp Borden from the 1920s to the 1950s.
- The historic birthplace of the Royal Canadian Air Force, CFB Borden is home to the largest training wing in the Canadian Forces.
Facts about Henry Post Army Airfield (FSI):
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- With the end of World War I, in October 1919 Post Field was deactivated as an active duty airfield in accordance with sharply reduced military budgets, and a small caretaker unit was assigned to the facility for administrative reasons to support the balloon school/company.
- The first Army aviation at Fort Sill began on 26 July 1915 when eight Curtiss JN-3 airplanes of the 1st Aero Squadron arrived from Rockwell Field, California.
- The Army will continue to operate and maintain a precision approach radar at Fort Sill's Henry Post Field for the foreseeable future.
- 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.
- The field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- 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.