Nonstop flight route between Koror, Palau and Cahokia, Illinois (near St. Louis), United States:
Departure Airport:
(7°22'1"N by 134°32'39"E)
Arrival Airport:
(38°34'14"N by 90°9'21"W)
Distance from ROR to CPS:
8,160.73 miles (13,133.39 km)
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- About this route
- ROR Airport Information
- CPS Airport Information
- Facts about ROR
- Facts about CPS
- Map of Nearest Airports to ROR
- List of Nearest Airports to ROR
- Map of Furthest Airports from ROR
- List of Furthest Airports from ROR
- 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 Roman Tmetuchl International Airport (ROR), Koror, Palau and St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States would travel a Great Circle distance of 8,161 miles (or 13,133 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 Roman Tmetuchl 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 Roman Tmetuchl 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: | ROR / PTRO |
| Airport Name: | Roman Tmetuchl International Airport |
| Location: | Koror, Palau |
| GPS Coordinates: | 7°22'1"N by 134°32'39"E |
| Operator/Owner: | Republic of Palau |
| Airport Type: | Public |
| Elevation: | 176 feet (54 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from ROR |
| More Information: | ROR 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 Roman Tmetuchl International Airport (ROR):
- The airport covers an area of 480 acres at an elevation of 176 feet above mean sea level.
- Roman Tmetuchl International Airport (ROR) currently has only 1 runway.
- The furthest airport from Roman Tmetuchl International Airport (ROR) is Imperatriz-Prefeito Renato Moreira Airport (IMP), which is nearly antipodal to Roman Tmetuchl International Airport (meaning Roman Tmetuchl International Airport is almost on the exact opposite side of the Earth from Imperatriz-Prefeito Renato Moreira Airport), and is located 12,250 miles (19,714 kilometers) away in Imperatriz, Maranhão, Brazil.
- Because of Roman Tmetuchl International Airport's relatively low elevation of 176 feet, planes can take off or land at Roman Tmetuchl 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.
- The closest airport to Roman Tmetuchl International Airport (ROR) is Yap International Airport (YAP), which is located 283 miles (456 kilometers) ENE of ROR.
Facts about St. Louis Downtown Airport (CPS):
- 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 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.
- Historic Hangar #2 houses the Greater Saint Louis Air & Space Museum and the airport is still home to the nation's oldest flight school, Parks College of Engineering and Aviation's Center for Aerospace Sciences, which holds CAA Flight School Certificate #1.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 283.14 miles (455.67 km) ENE | Yap International Airport (YAP) | Yap, Federated States of Micronesia |     |
| 2 | 402.42 miles (647.62 km) ENE | Falalop Airfield (ULI) | Falalop Island, Yap, Federated States of Micronesia | |
| 3 | 565.60 miles (910.25 km) W | Bislig Airport (BPH) | Bislig City, Surigao del Sur, Philippines | |
| 4 | 567.78 miles (913.76 km) W | Mati Airport (MXI) | Mati, Davao Oriental, Philippines | |
| 5 | 571.65 miles (919.98 km) S | Rendani Airport (MKW) | Manokwari, Irian Jaya, Indonesia | |
| 6 | 574.17 miles (924.03 km) S | Kornasoren Airport (FOO) | Noemfoor, Schouten Islands, Indonesia | |
| 7 | 584.52 miles (940.69 km) WNW | Tandag Airport (TDG) | Tandag, Surigao del Sur, Philippines | |
| 8 | 588.81 miles (947.59 km) WSW | Melangguane Airport (MNA) | Melangguane, North Sulawesi, Indonesia | |
| 9 | 600.99 miles (967.19 km) S | Frans Kaisiepo Airport (BIK) | Biak, Indonesia | |
| 10 | 606.38 miles (975.87 km) S | Anggi Airport (AGD) | Anggi, Indonesia | |
| 11 | 607.58 miles (977.80 km) WNW | Sayak Airport (SOS) | Del Carmen, Surigao del Norte, Philippines | |
| 12 | 608.48 miles (979.25 km) SSW | Ayawasi Airport (AYW) | Ayawasi, Indonesia | |
| 13 | 610.12 miles (981.90 km) W | Francisco Bangoy International Airport (DVO) | Davao City, Philippines | |
| 14 | 629.62 miles (1,013.27 km) W | Butuan-Bancasi Airport (BXU) | Butuan City, Philippines | |
| 15 | 640.91 miles (1,031.45 km) WNW | Surigao Airport (SUG) | Surigao City, Surigao del Norte, Philippines | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,249.70 miles (19,713.94 km) SE | Imperatriz-Prefeito Renato Moreira Airport (IMP) | Imperatriz, Maranhão, Brazil | |
| 2 | 12,245.69 miles (19,707.48 km) E | Araguaína Airport (AUX) | Araguaína, Tocantins, Brazil | |
| 3 | 12,195.83 miles (19,627.24 km) SW | Teresina–Senador Petrônio Portella Airport (THE) | Teresina, Piauí, Brazil | |
| 4 | 12,164.89 miles (19,577.44 km) ESE | Conceição do Araguaia Airport (CDJ) | Conceição do Araguaia, Pará, Brazil | |
| 5 | 12,153.91 miles (19,559.77 km) SE | Palmas–Brigadeiro Lysias Rodrigues Airport (PMW) | Palmas, Tocantins, Brazil | |
| 6 | 12,148.67 miles (19,551.34 km) ESE | João Correa da Rocha Airport (MAB) | Marabá, Pará, Brazil | |
| 7 | 12,135.12 miles (19,529.53 km) SSW | Barra Airport (BQQ) | Barra, Bahia, Brazil | |
| 8 | 12,126.45 miles (19,515.59 km) E | Xinguara Airport (XIG) | Xinguara, Pará, Brazil | |
| 9 | 12,113.14 miles (19,494.15 km) ESE | Carajás Airport (CKS) | Carajás, Pará, Brazil | |
| 10 | 12,109.82 miles (19,488.82 km) S | Barreiras Airport (BRA) | Barreiras, Bahia, Brazil | |
| 11 | 12,096.02 miles (19,466.60 km) SSW | Marechal Cunha Machado International Airport (Tirirical) (SLZ) | São Luís, Brazil | |
| 12 | 12,077.07 miles (19,436.11 km) WSW | Petrolina–Senador Nilo Coelho Airport (PNZ) | Petrolina, Pernambuco, Brazil | |
| 13 | 12,069.73 miles (19,424.30 km) SSW | Barreirinhas Airport (BRB) | Barreirinhas, Maranhão, Brazil | |
| 14 | 12,044.38 miles (19,383.50 km) SE | Gurupi Airport (GRP) | Gurupi, Goiás, Brazil | |
| 15 | 12,035.20 miles (19,368.73 km) SW | Parnaíba–Prefeito Dr. João Silva Filho International Airport (PHB) | Parnaiba, Piaui, Brazil | |
| 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 | |