Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Blountville, Tennessee (Tri-Cities area), United States:
Departure Airport:

Arrival Airport:

Distance from CPS to TRI:
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- About this route
- CPS Airport Information
- TRI Airport Information
- Facts about CPS
- Facts about TRI
- 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 TRI
- List of Nearest Airports to TRI
- Map of Furthest Airports from TRI
- List of Furthest Airports from TRI
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Tri-Cities Regional Airport (TRI), Blountville, Tennessee (Tri-Cities area), United States would travel a Great Circle distance of 448 miles (or 722 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 Tri-Cities Regional 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: | TRI / KTRI |
Airport Names: |
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Location: | Blountville, Tennessee (Tri-Cities area), United States |
GPS Coordinates: | 36°28'31"N by 82°24'26"W |
Area Served: | Tri-Cities, Tennessee |
Operator/Owner: | Tri-Cities Airport Commission |
Airport Type: | Public |
Elevation: | 1519 feet (463 meters) |
# of Runways: | 2 |
View all routes: | Routes from TRI |
More Information: | TRI Maps & Info |
Facts about St. Louis Downtown Airport (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.
- 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 airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
- 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.
Facts about Tri-Cities Regional Airport (TRI):
- In addition to being known as "Tri-Cities Regional Airport", another name for TRI is "Tri-Cities Regional Airport, TN/VA".
- Tri-Cities Regional Airport covers 1,225 acres at an elevation of 1,519 feet above mean sea level.
- Tri-Cities Regional Airport, is a public airport in Sullivan County, Tennessee.
- In January 2008 a quick service restaurant, Tailwind Express, was added in the post-security area of the airport along with the Tailwind Restaurant and Lounge in the pre-security area.
- The closest airport to Tri-Cities Regional Airport (TRI) is Virginia Highlands Airport (VJI), which is located 25 miles (41 kilometers) NE of TRI.
- The furthest airport from Tri-Cities Regional Airport (TRI) is Margaret River Airport (MGV), which is located 11,434 miles (18,402 kilometers) away in Margaret River, Western Australia, Australia.
- Tri-Cities Regional Airport (TRI) has 2 runways.