Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Williams Harbour, Newfoundland and Labrador, Canada:
Departure Airport:

Arrival Airport:

Distance from CPS to YWM:
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- About this route
- CPS Airport Information
- YWM Airport Information
- Facts about CPS
- Facts about YWM
- Map of Nearest Airports to CPS
- List of Nearest Airports to CPS
- Map of Furthest Airports from CPS
- List of Furthest Airports from CPS
- Map of Nearest Airports to YWM
- List of Nearest Airports to YWM
- Map of Furthest Airports from YWM
- List of Furthest Airports from YWM
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Williams Harbour Airport (YWM), Williams Harbour, Newfoundland and Labrador, Canada would travel a Great Circle distance of 1,897 miles (or 3,053 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 St. Louis Downtown Airport and Williams Harbour Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | CPS / KCPS |
Airport Name: | St. Louis Downtown Airport |
Location: | Cahokia, Illinois (near St. Louis), United States |
GPS Coordinates: | 38°34'14"N by 90°9'21"W |
Area Served: | Greater St. Louis |
Operator/Owner: | Bi-State Development Agency |
Airport Type: | Public |
Elevation: | 413 feet (126 meters) |
# of Runways: | 3 |
View all routes: | Routes from CPS |
More Information: | CPS Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | YWM / |
Airport Names: |
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Location: | Williams Harbour, Newfoundland and Labrador, Canada |
GPS Coordinates: | 52°34'3"N by 55°47'5"W |
Operator/Owner: | Government of Newfoundland and Labrador |
Airport Type: | Public |
Elevation: | 73 feet (22 meters) |
# of Runways: | 1 |
View all routes: | Routes from YWM |
More Information: | YWM Maps & Info |
Facts about St. Louis Downtown Airport (CPS):
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
- Historic Hangar #2 houses the Greater Saint Louis Air & Space Museum and the airport is still home to the nation's oldest flight school, Parks College of Engineering and Aviation's Center for Aerospace Sciences, which holds CAA Flight School Certificate #1.
- The closest airport to St. Louis Downtown Airport (CPS) is Lambert–St. Louis International Airport (STL), which is located only 16 miles (27 kilometers) NW of CPS.
- Because of St. Louis Downtown Airport's relatively low elevation of 413 feet, planes can take off or land at St. Louis Downtown 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.
- St. Louis Downtown Airport (CPS) has 3 runways.
- The furthest airport from St. Louis Downtown Airport (CPS) is Margaret River Airport (MGV), which is located 10,998 miles (17,700 kilometers) away in Margaret River, Western Australia, Australia.
Facts about Williams Harbour Airport (YWM):
- In addition to being known as "Williams Harbour Airport", another name for YWM is "CCA6".
- Because of Williams Harbour Airport's relatively low elevation of 73 feet, planes can take off or land at Williams Harbour 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.
- Williams Harbour Airport (YWM) currently has only 1 runway.
- The closest airport to Williams Harbour Airport (YWM) is St. Lewis (Fox Harbour) Airport (YFX), which is located only 14 miles (23 kilometers) SSE of YWM.
- The furthest airport from Williams Harbour Airport (YWM) is Albany Airport (ALH), which is located 11,179 miles (17,991 kilometers) away in Albany, Western Australia, Australia.