Nonstop flight route between Norman, Oklahoma, United States and Cahokia, Illinois (near St. Louis), United States:
Departure Airport:
(35°14'44"N by 97°28'19"W)
Arrival Airport:
(38°34'14"N by 90°9'21"W)
Distance from OUN to CPS:
464.71 miles (747.88 km)
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Jump to:
- About this route
- OUN Airport Information
- CPS Airport Information
- Facts about OUN
- Facts about CPS
- Map of Nearest Airports to OUN
- List of Nearest Airports to OUN
- Map of Furthest Airports from OUN
- List of Furthest Airports from OUN
- 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 University of Oklahoma Max Westheimer Airport (OUN), Norman, Oklahoma, United States and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 465 miles (or 748 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 University of Oklahoma Max Westheimer Airport and St. Louis Downtown Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | OUN / KOUN |
| Airport Name: | University of Oklahoma Max Westheimer Airport |
| Location: | Norman, Oklahoma, United States |
| GPS Coordinates: | 35°14'44"N by 97°28'19"W |
| Area Served: | Norman, Oklahoma |
| Operator/Owner: | University of Oklahoma |
| Airport Type: | Public |
| Elevation: | 1182 feet (360 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from OUN |
| More Information: | OUN 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 University of Oklahoma Max Westheimer Airport (OUN):
- University of Oklahoma Max Westheimer Airport (OUN) has 2 runways.
- The furthest airport from University of Oklahoma Max Westheimer Airport (OUN) is Sir Gaëtan Duval Airport (RRG), which is located 10,853 miles (17,467 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to University of Oklahoma Max Westheimer Airport (OUN) is Will Rogers World Airport (OKC), which is located only 13 miles (20 kilometers) NW of OUN.
- Built as a civil airport on land donated by the Nuestadt family in the name of their uncle Max Westheimer to the University of Oklahoma and land from the city of Norman, Oklahoma, it was taken over by the U.S.
Facts about St. Louis Downtown Airport (CPS):
- 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 airport opened in 1929 as Curtiss-Steinberg 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 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.
- 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.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12.51 miles (20.13 km) NW | Will Rogers World Airport (OKC) | Oklahoma City, Oklahoma, United States |     |
| 2 | 12.64 miles (20.35 km) NNE | Tinker Air Force Base (TIK) | Oklahoma City, Oklahoma, United States | |
| 3 | 22.24 miles (35.79 km) NNW | Wiley Post Airport (PWA) | Oklahoma City, Oklahoma, United States | |
| 4 | 29.81 miles (47.97 km) WSW | Chickasha Municipal Airport (CHK) | Chickasha, Oklahoma, United States | |
| 5 | 30.84 miles (49.62 km) ENE | Shawnee Regional Airport (SNL) | Shawnee, Oklahoma, United States | |
| 6 | 41.98 miles (67.56 km) N | Guthrie–Edmond Regional Airport (GOK) | Guthrie, Oklahoma, United States | |
| 7 | 54.61 miles (87.88 km) ESE | Ada Municipal Airport (ADT) | Ada, Oklahoma, United States | |
| 8 | 59.34 miles (95.50 km) NE | Stroud Municipal Airport (SUD) | Stroud, Oklahoma, United States | |
| 9 | 60.25 miles (96.96 km) SSW | Halliburton Field (DUC) | Duncan, Oklahoma, United States | |
| 10 | 62.54 miles (100.64 km) NE | Cushing Municipal Airport (CUH) | Cushing, Oklahoma, United States | |
| 11 | 66.85 miles (107.58 km) SW | Henry Post Army Airfield (FSI) | Fort Sill, Oklahoma, United States | |
| 12 | 66.87 miles (107.62 km) NNE | Stillwater Regional Airport (SWO) | Stillwater, Oklahoma, United States | |
| 13 | 69.91 miles (112.51 km) SSE | Ardmore Municipal Airport (ADM) | Ardmore, Oklahoma, United States | |
| 14 | 71.10 miles (114.42 km) SW | Lawton–Fort Sill Regional Airport (LAW) | Lawton, Oklahoma, United States | |
| 15 | 78.46 miles (126.27 km) SSE | Ardmore Downtown Executive Airport (AHD) | Ardmore, Oklahoma, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,853.48 miles (17,466.94 km) SE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 10,614.62 miles (17,082.54 km) ESE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 3 | 10,609.72 miles (17,074.64 km) SSW | Cocos (Keeling) Island Airport (CCK) | Cocos Islands, Australia | |
| 4 | 10,590.11 miles (17,043.08 km) W | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 5 | 10,569.67 miles (17,010.19 km) W | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 6 | 10,549.34 miles (16,977.47 km) W | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 7 | 10,537.31 miles (16,958.11 km) ESE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 8 | 10,536.67 miles (16,957.09 km) W | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 9 | 10,533.19 miles (16,951.48 km) W | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 10 | 10,525.33 miles (16,938.84 km) W | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 10,524.20 miles (16,937.01 km) ESE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 12 | 10,515.66 miles (16,923.27 km) W | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 13 | 10,508.77 miles (16,912.19 km) W | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 14 | 10,507.85 miles (16,910.70 km) W | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 15 | 10,504.51 miles (16,905.32 km) W | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 16.47 miles (26.50 km) NW | Lambert–St. Louis International Airport (STL) | St. Louis, Missouri, United States | |
| 2 | 17.42 miles (28.04 km) E | MidAmerica St. Louis Airport (BLV) | Belleville, Illinois, United States | |
| 3 | 22.85 miles (36.78 km) NNE | St. Louis Regional Airport (ALN) | Alton, Illinois, United States | |
| 4 | 27.50 miles (44.26 km) WNW | Spirit of St. Louis Airport (SUS) | Chesterfield, Missouri, United States | |
| 5 | 45.73 miles (73.59 km) ENE | Greenville Airport (GRE) | Greenville, Illinois, United States | |
| 6 | 64.55 miles (103.88 km) E | Salem–Leckrone Airport (SLO) | Salem, Illinois, United States | |
| 7 | 72.26 miles (116.30 km) ESE | Mt. Vernon Airport (MVN) | Mount Vernon, Illinois, United States | |
| 8 | 73.57 miles (118.39 km) SE | Southern Illinois Airport (MDH) | Carbondale/Murphysboro, Illinois, United States | |
| 9 | 83.94 miles (135.09 km) SE | Williamson County Regional Airport (MWA) | Marion, Illinois, United States | |
| 10 | 91.63 miles (147.46 km) NNE | Abraham Lincoln Capital Airport (SPI) | Springfield, Illinois, United States | |
| 11 | 92.63 miles (149.07 km) WSW | Rolla National Airport (VIH) | Rolla, Missouri, United States | |
| 12 | 98.29 miles (158.19 km) SSE | Cape Girardeau Regional Airport (CGI) | Cape Girardeau, Missouri, United States | |
| 13 | 108.03 miles (173.86 km) W | Jefferson City Memorial Airport (JEF) | Jefferson City, Missouri, United States | |
| 14 | 109.88 miles (176.83 km) NNW | Quincy Regional Airport (UIN) | Quincy, Illinois, United States | |
| 15 | 111.34 miles (179.18 km) NE | Decatur Airport (DEC) | Decatur, Illinois, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,998.38 miles (17,700.14 km) W | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 10,976.37 miles (17,664.71 km) W | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 10,953.82 miles (17,628.43 km) W | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 4 | 10,950.15 miles (17,622.51 km) W | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 5 | 10,924.13 miles (17,580.63 km) W | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 6 | 10,908.52 miles (17,555.52 km) W | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 7 | 10,899.45 miles (17,540.92 km) W | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 8 | 10,897.05 miles (17,537.06 km) WSW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 9 | 10,874.80 miles (17,501.25 km) W | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 10 | 10,862.63 miles (17,481.67 km) WSW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 11 | 10,855.26 miles (17,469.80 km) W | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 12 | 10,843.70 miles (17,451.20 km) WSW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 13 | 10,809.16 miles (17,395.61 km) WSW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 14 | 10,809.10 miles (17,395.51 km) WSW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 15 | 10,804.00 miles (17,387.31 km) WSW | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |