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

Arrival Airport:

Distance from BKH to CPS:
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- About this route
- BKH Airport Information
- CPS Airport Information
- Facts about BKH
- Facts about CPS
- Map of Nearest Airports to BKH
- List of Nearest Airports to BKH
- Map of Furthest Airports from BKH
- List of Furthest Airports from BKH
- 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 PMRF Barking Sands (BKH), Kekaha, Hawaii, United States and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 4,209 miles (or 6,774 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 PMRF Barking Sands 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 PMRF Barking Sands 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: | BKH / PHBK |
Airport Name: | PMRF Barking Sands |
Location: | Kekaha, Hawaii, United States |
GPS Coordinates: | 22°1'22"N by 159°47'5"W |
Operator/Owner: | U.S. Navy |
Airport Type: | Military |
Elevation: | 23 feet (7 meters) |
# of Runways: | 1 |
View all routes: | Routes from BKH |
More Information: | BKH 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 PMRF Barking Sands (BKH):
- The base has support facilities at Port Allen, Makaha Ridge, and Koke'e State Park.
- Because of PMRF Barking Sands's relatively low elevation of 23 feet, planes can take off or land at PMRF Barking Sands 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 PMRF Barking Sands (BKH) is Gobabis Airport (GOG), which is nearly antipodal to PMRF Barking Sands (meaning PMRF Barking Sands is almost on the exact opposite side of the Earth from Gobabis Airport), and is located 12,351 miles (19,877 kilometers) away in Gobabis, Namibia.
- The closest airport to PMRF Barking Sands (BKH) is Port Allen Airport (PAK), which is located only 15 miles (23 kilometers) SE of BKH.
- The Pacific Missile Range Facility, Barking Sands is a U.S.
- The Navy is currently using PMRF to test hit to kill technology using direct collision of the anti-ballistic missile with its target.
- PMRF Barking Sands (BKH) currently has only 1 runway.
Facts about St. Louis Downtown Airport (CPS):
- Taken over by the United States Army Air Forces on 1 August 1939 as a basic pilot training airfield.
- St. Louis Downtown Airport (CPS) has 3 runways.
- 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.