Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Rockport, Texas, United States:
Departure Airport:
(38°34'14"N by 90°9'21"W)
Arrival Airport:
(28°5'9"N by 97°2'36"W)
Distance from CPS to RKP:
825.72 miles (1,328.87 km)
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Jump to:
- About this route
- CPS Airport Information
- RKP Airport Information
- Facts about CPS
- Facts about RKP
- 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 RKP
- List of Nearest Airports to RKP
- Map of Furthest Airports from RKP
- List of Furthest Airports from RKP
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Aransas County Airport (RKP), Rockport, Texas, United States would travel a Great Circle distance of 826 miles (or 1,329 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 Aransas County 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: | RKP / KRKP |
| Airport Name: | Aransas County Airport |
| Location: | Rockport, Texas, United States |
| GPS Coordinates: | 28°5'9"N by 97°2'36"W |
| Area Served: | Rockport, Texas |
| Operator/Owner: | Aransas County |
| Airport Type: | Public |
| Elevation: | 24 feet (7 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from RKP |
| More Information: | RKP Maps & Info |
Facts about St. Louis Downtown Airport (CPS):
- The two survivors out of the airport's original four hangars, Hangar 1 and Hangar 2, are listed on the National Register of Historic Places.
- St. Louis Downtown Airport (CPS) has 3 runways.
- 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.
- 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 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 Aransas County Airport (RKP):
- Because of Aransas County Airport's relatively low elevation of 24 feet, planes can take off or land at Aransas County 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.
- Aransas County Airport (RKP) has 2 runways.
- The furthest airport from Aransas County Airport (RKP) is Sir Gaëtan Duval Airport (RRG), which is located 11,074 miles (17,823 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Aransas County Airport (RKP) is Naval Air Station Corpus Christi (NGP), which is located 31 miles (50 kilometers) SSW of RKP.
| 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 | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 31.11 miles (50.07 km) SSW | Naval Air Station Corpus Christi (NGP) | Corpus Christi, Texas, United States | |
| 2 | 35.44 miles (57.04 km) SW | Corpus Christi International Airport (CRP) | Corpus Christi, Texas, United States | |
| 3 | 53.49 miles (86.09 km) N | Victoria Regional Airport (VCT) | Victoria, Texas, United States | |
| 4 | 61.58 miles (99.11 km) SW | Naval Air Station Kingsville (NQI) | Kingsville, Texas, United States | |
| 5 | 64.60 miles (103.97 km) WSW | Alice International Airport (ALI) | Alice, Texas, United States | |
| 6 | 65.46 miles (105.35 km) NE | Palacios Municipal Airport (PSX) | Palacios, Texas, United States | |
| 7 | 94.29 miles (151.75 km) NE | Bay City Municipal Airport (BBC) | Bay City, Texas, United States | |
| 8 | 97.06 miles (156.20 km) NNE | Wharton Regional Airport (WHT) | Wharton, Texas, United States | |
| 9 | 119.14 miles (191.73 km) NE | Texas Gulf Coast Regional Airport (LJN) | Angleton / Lake Jackson, Texas, United States | |
| 10 | 122.28 miles (196.78 km) NW | Stinson Municipal Airport (SSF) | San Antonio, Texas, United States | |
| 11 | 124.65 miles (200.60 km) NW | Randolph Air Force Base Joint Base San Antonio (RND) | Universal City, Texas, United States | |
| 12 | 129.30 miles (208.10 km) NW | Lackland Air Force Base Joint Base San Antonio (SKF) | San Antonio, Texas, United States | |
| 13 | 131.85 miles (212.19 km) NW | San Antonio International Airport (SAT) | San Antonio, Texas, United States | |
| 14 | 133.82 miles (215.37 km) SSW | Valley International Airport (HRL) | Harlingen, Texas, United States | |
| 15 | 134.79 miles (216.92 km) WNW | Cotulla–La Salle County Airport (COT) | Cotulla, Texas, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,074.42 miles (17,822.51 km) ESE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 11,019.50 miles (17,734.12 km) SW | Cocos (Keeling) Island Airport (CCK) | Cocos Islands, Australia | |
| 3 | 10,763.10 miles (17,321.49 km) ESE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 4 | 10,651.06 miles (17,141.17 km) E | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 5 | 10,645.76 miles (17,132.65 km) E | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 6 | 10,550.40 miles (16,979.18 km) W | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |
| 7 | 10,530.27 miles (16,946.78 km) W | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 8 | 10,529.40 miles (16,945.39 km) W | Carnarvon Airport (CVQ) | Carnarvon, Western Australia, Australia | |
| 9 | 10,524.66 miles (16,937.75 km) SW | Christmas Island Airport (XCH) | Christmas Island, Australia | |
| 10 | 10,512.91 miles (16,918.85 km) W | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 11 | 10,501.06 miles (16,899.78 km) WSW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 12 | 10,499.24 miles (16,896.85 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 13 | 10,482.87 miles (16,870.50 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 14 | 10,476.74 miles (16,860.63 km) WSW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 15 | 10,467.76 miles (16,846.19 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |