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

Arrival Airport:

Distance from UTP to CPS:
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- About this route
- UTP Airport Information
- CPS Airport Information
- Facts about UTP
- Facts about CPS
- Map of Nearest Airports to UTP
- List of Nearest Airports to UTP
- Map of Furthest Airports from UTP
- List of Furthest Airports from UTP
- 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 U-Tapao-Rayong-Pattaya International Airport (UTP), Rayong, Thailand and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 8,823 miles (or 14,199 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 U-Tapao-Rayong-Pattaya International Airport 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 U-Tapao-Rayong-Pattaya International Airport 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: | UTP / VTBU |
Airport Names: |
|
Location: | Rayong, Thailand |
GPS Coordinates: | 12°40'46"N by 101°0'17"E |
Area Served: | Rayong, Thailand |
Operator/Owner: | Government |
Airport Type: | Public / Military |
Elevation: | 42 feet (13 meters) |
# of Runways: | 1 |
View all routes: | Routes from UTP |
More Information: | UTP 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 U-Tapao-Rayong-Pattaya International Airport (UTP):
- U-Tapao-Rayong-Pattaya International Airport (UTP) currently has only 1 runway.
- U-Tapao-Pattaya International Airport also spelled Utapao and U-Taphao, is a joint civil-military public airport serving Rayong and Pattaya, cities in Thailand.
- The furthest airport from U-Tapao-Rayong-Pattaya International Airport (UTP) is Jorge Chávez International Airport (LIM), which is nearly antipodal to U-Tapao-Rayong-Pattaya International Airport (meaning U-Tapao-Rayong-Pattaya International Airport is almost on the exact opposite side of the Earth from Jorge Chávez International Airport), and is located 12,302 miles (19,798 kilometers) away in Callao (near Lima), Peru.
- Because of U-Tapao-Rayong-Pattaya International Airport's relatively low elevation of 42 feet, planes can take off or land at U-Tapao-Rayong-Pattaya 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 addition to being known as "U-Tapao-Rayong-Pattaya International Airport", another name for UTP is "ท่าอากาศยานนานาชาติ อู่ตะเภา-ระยอง-พัทยา".
- The closest airport to U-Tapao-Rayong-Pattaya International Airport (UTP) is Hua Hin Airport (HHQ), which is located 71 miles (114 kilometers) W of UTP.
- With the closure of Suvarnabhumi Airport and Don Mueang Airport in late November 2008 due to mobs, U-Tapao became for a time Thailand's main supplementary international gateway.
- ท่าอากาศยานนานาชาติอู่ตะเภา-ระยอง-พัทยา
Facts about St. Louis Downtown Airport (CPS):
- The airport opened in 1929 as Curtiss-Steinberg Airport.
- 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.
- 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.