Nonstop flight route between St. Louis, Missouri, United States and Suffield, Alberta, Canada:
Departure Airport:

Arrival Airport:

Distance from STL to YSD:
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- About this route
- STL Airport Information
- YSD Airport Information
- Facts about STL
- Facts about YSD
- Map of Nearest Airports to STL
- List of Nearest Airports to STL
- Map of Furthest Airports from STL
- List of Furthest Airports from STL
- Map of Nearest Airports to YSD
- List of Nearest Airports to YSD
- Map of Furthest Airports from YSD
- List of Furthest Airports from YSD
About this route:
A direct, nonstop flight between Lambert–St. Louis International Airport (STL), St. Louis, Missouri, United States and CFB Suffield (YSD), Suffield, Alberta, Canada would travel a Great Circle distance of 1,291 miles (or 2,077 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 Lambert–St. Louis International Airport and CFB Suffield, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | STL / KSTL |
Airport Name: | Lambert–St. Louis International Airport |
Location: | St. Louis, Missouri, United States |
GPS Coordinates: | 38°44'49"N by 90°21'41"W |
Area Served: | Greater St. Louis, Missouri |
Operator/Owner: | City of St. Louis |
Airport Type: | Public |
Elevation: | 605 feet (184 meters) |
# of Runways: | 4 |
View all routes: | Routes from STL |
More Information: | STL Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | YSD / CYSD |
Airport Name: | CFB Suffield |
Location: | Suffield, Alberta, Canada |
GPS Coordinates: | 50°16'23"N by 111°10'29"W |
Operator/Owner: | Government of Canada |
Airport Type: | Military |
Elevation: | 2525 feet (770 meters) |
View all routes: | Routes from YSD |
More Information: | YSD Maps & Info |
Facts about Lambert–St. Louis International Airport (STL):
- In 2006, the United States Air Force announced plans to turn the 131st Fighter Wing of the Missouri Air National Guard into the 131st Bomb Wing.
- The furthest airport from Lambert–St. Louis International Airport (STL) is Margaret River Airport (MGV), which is located 10,986 miles (17,681 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to Lambert–St. Louis International Airport (STL) is St. Louis Downtown Airport (CPS), which is located only 16 miles (27 kilometers) SE of STL.
- To handle the increasing passenger traffic, Minoru Yamasaki was commissioned to design a new terminal at Lambert.
- Despite the entry of Southwest Airlines in the market, the TWA buyout of Ozark and subsequent increase in the number of nonstop cities served, the total number of passengers using Lambert held steady from 1985 through 1993, ranging between 19 million and 20 million passengers per year throughout the period.
- Because of Lambert–St. Louis International Airport's relatively low elevation of 605 feet, planes can take off or land at Lambert–St. Louis 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.
- In the late 1920s, Lambert Field became the first airport with an air traffic control system—albeit one that communicated with pilots via waving flags.
- As of May 2012, the airport is on a significant upswing, with traffic up by about 14%.
- Lambert–St. Louis International Airport (STL) has 4 runways.
Facts about CFB Suffield (YSD):
- Following the fall of Algeria to Nazi Germany, the British Army required a new training facility for carrying out experiments in chemical warfare.
- The closest airport to CFB Suffield (YSD) is Medicine Hat Airport (YXH), which is located 27 miles (43 kilometers) SE of YSD.
- In 1971 an agreement was signed between the British and Canadian governments permitting the British Army to use over three-quarters of the Suffield Block for armoured, infantry, and artillery live-fire training.
- The furthest airport from CFB Suffield (YSD) is Tôlanaro Airport (FTU), which is located 10,339 miles (16,640 kilometers) away in Tôlanaro, Madagascar.