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

Arrival Airport:

Distance from YSB to FSI:
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- About this route
- YSB Airport Information
- FSI Airport Information
- Facts about YSB
- Facts about FSI
- Map of Nearest Airports to YSB
- List of Nearest Airports to YSB
- Map of Furthest Airports from YSB
- List of Furthest Airports from YSB
- Map of Nearest Airports to FSI
- List of Nearest Airports to FSI
- Map of Furthest Airports from FSI
- List of Furthest Airports from FSI
About this route:
A direct, nonstop flight between Sudbury Airport (YSB), Greater Sudbury, Ontario, Canada and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 1,234 miles (or 1,987 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 Sudbury Airport 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: | YSB / CYSB |
Airport Name: | Sudbury Airport |
Location: | Greater Sudbury, Ontario, Canada |
GPS Coordinates: | 46°37'32"N by 80°47'52"W |
Area Served: | Greater Sudbury, Ontario |
Airport Type: | Public |
Elevation: | 1143 feet (348 meters) |
# of Runways: | 2 |
View all routes: | Routes from YSB |
More Information: | YSB 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 Sudbury Airport (YSB):
- The closest airport to Sudbury Airport (YSB) is North Bay Airport (YYB), which is located 68 miles (109 kilometers) ESE of YSB.
- Sudbury Airport (YSB) has 2 runways.
- The furthest airport from Sudbury Airport (YSB) is Margaret River Airport (MGV), which is located 11,228 miles (18,070 kilometers) away in Margaret River, Western Australia, Australia.
- The airport is served primarily by regional carrier lines such as Air Canada Jazz, Bearskin Airlines and Porter Airlines.
- In June 2008, under recommendation from NAV CANADA following a year-long aeronautical study, the control tower was closed mainly due to lack of traffic.
Facts about Henry Post Army Airfield (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.
- 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.
- 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.
- 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 Fort Sill Army Radar Approach Control is the Army's Second busiest Air Traffic Control Facility, providing Radar Approach Control service to Henry Post Army Air Field, Lawton/Fort Sill Regional Airport, Duncan/Haliburton Airport and many smaller airports in the area.