Nonstop flight route between Odiham, United Kingdom and Cahokia, Illinois (near St. Louis), United States:
Departure Airport:

Arrival Airport:

Distance from ODH to CPS:
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- About this route
- ODH Airport Information
- CPS Airport Information
- Facts about ODH
- Facts about CPS
- Map of Nearest Airports to ODH
- List of Nearest Airports to ODH
- Map of Furthest Airports from ODH
- List of Furthest Airports from ODH
- Map of Nearest Airports to CPS
- List of Nearest Airports to CPS
- Map of Furthest Airports from CPS
- List of Furthest Airports from CPS
About this route:
A direct, nonstop flight between RAF Odiham (ODH), Odiham, United Kingdom and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 4,178 miles (or 6,724 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 large distance between RAF Odiham and St. Louis Downtown Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between RAF Odiham and St. Louis Downtown Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | ODH / EGVO |
Airport Name: | RAF Odiham |
Location: | Odiham, United Kingdom |
GPS Coordinates: | 51°14'3"N by 0°56'34"W |
Operator/Owner: | Ministry of Defence |
View all routes: | Routes from ODH |
More Information: | ODH Maps & Info |
Arrival 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 |
Facts about RAF Odiham (ODH):
- The closest airport to RAF Odiham (ODH) is Lasham Airfield (QLA), which is located only 5 miles (8 kilometers) SW of ODH.
- After a short period in "care and maintenance" status the base was reopened as part of Transport Command.
- The Kestrel Gliding Club continues to fly from Odiham at weekends, having become part of the Royal Air Force Gliding and Soaring Association in 2006.
- The furthest airport from RAF Odiham (ODH) is Dunedin International Airport (DUD), which is located 11,891 miles (19,137 kilometers) away in Dunedin, Otago, New Zealand.
Facts about St. Louis Downtown Airport (CPS):
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
- 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.
- 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.
- 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.
- St. Louis Downtown Airport (CPS) has 3 runways.