Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Chongjin, North Korea, China:
Departure Airport:

Arrival Airport:

Distance from CPS to RGO:
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- About this route
- CPS Airport Information
- RGO Airport Information
- Facts about CPS
- Facts about RGO
- 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 RGO
- List of Nearest Airports to RGO
- Map of Furthest Airports from RGO
- List of Furthest Airports from RGO
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Chongjin Airport (RGO), Chongjin, North Korea, China would travel a Great Circle distance of 6,368 miles (or 10,248 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 St. Louis Downtown Airport and Chongjin 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 St. Louis Downtown Airport and Chongjin Airport. You'll see that it will travel the same route of the red line on this map!
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: | RGO / |
Airport Names: |
|
Location: | Chongjin, North Korea, China |
GPS Coordinates: | 41°25'46"N by 129°38'55"E |
Area Served: | Chongjin |
Airport Type: | Commercial and military |
# of Runways: | 1 |
View all routes: | Routes from RGO |
More Information: | RGO Maps & Info |
Facts about St. Louis Downtown Airport (CPS):
- St. Louis Downtown Airport (CPS) has 3 runways.
- Taken over by the United States Army Air Forces on 1 August 1939 as a basic pilot training airfield.
- 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.
- 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 Chongjin Airport (RGO):
- There is one runway in Chongjin Airport, originally 1,200m long, but which was extended to 2,000m.
- Chongjin Airport (RGO) currently has only 1 runway.
- The closest airport to Chongjin Airport (RGO) is Yanji Chaoyangchuan Airport (YNJ), which is located 101 miles (162 kilometers) N of RGO.
- The airport also serves Rason, which is about a three-hour drive away.
- In addition to being known as "Chongjin Airport", other names for RGO include "어랑공항" and "Eorang Gonghang".
- The furthest airport from Chongjin Airport (RGO) is Astor Piazzolla International Airport (MDQ), which is located 11,983 miles (19,285 kilometers) away in Mar del Plata, Buenos Aires Province, Argentina.