Nonstop flight route between Cahokia, Illinois (near St. Louis), United States and Bayan-Ölgii Province, Mongolia:
Departure Airport:
(38°34'14"N by 90°9'21"W)
Arrival Airport:
(48°59'30"N by 89°55'10"E)
Distance from CPS to ULG:
6,386.81 miles (10,278.55 km)
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Jump to:
- About this route
- CPS Airport Information
- ULG Airport Information
- Facts about CPS
- Facts about ULG
- 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 ULG
- List of Nearest Airports to ULG
- Map of Furthest Airports from ULG
- List of Furthest Airports from ULG
About this route:
A direct, nonstop flight between St. Louis Downtown Airport (CPS), Cahokia, Illinois (near St. Louis), United States and Ölgii Airport (ULG), Bayan-Ölgii Province, Mongolia would travel a Great Circle distance of 6,387 miles (or 10,279 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 St. Louis Downtown Airport and Ölgii 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 St. Louis Downtown Airport and Ölgii Airport. You'll see that it will travel the same route of the red line on this map!
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: | ULG / ZMUL |
| Airport Name: | Ölgii Airport |
| Location: | Bayan-Ölgii Province, Mongolia |
| GPS Coordinates: | 48°59'30"N by 89°55'10"E |
| Operator/Owner: | Civil Aviation Authority of Mongolia |
| Airport Type: | Joint (Civil and Military) |
| # of Runways: | 1 |
| View all routes: | Routes from ULG |
| More Information: | ULG Maps & Info |
Facts about St. Louis Downtown Airport (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.
- 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.
- The airport opened in 1929 as Curtiss-Steinberg 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.
- The airport closed in 1959 and reopened six years later as Bi-State Parks Airport.
Facts about Ölgii Airport (ULG):
- Ölgii Airport handled 13,000 passengers last year.
- The closest airport to Ölgii Airport (ULG) is Khovd Airport (HVD), which is located 106 miles (170 kilometers) SE of ULG.
- The furthest airport from Ölgii Airport (ULG) is Teniente Julio Gallardo Airfield (PNT), which is located 11,643 miles (18,737 kilometers) away in Puerto Natales, Chile.
- Ölgii Airport (ULG) currently has only 1 runway.
| 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 | 105.70 miles (170.11 km) SE | Khovd Airport (HVD) | Khovd, Mongolia | |
| 2 | 118.32 miles (190.42 km) NE | Ulaangom Airport (ULO) | Ulaangom, Uvs Province, Mongolia | |
| 3 | 120.21 miles (193.46 km) SW | Altay Airport (AAT) | Altay, Xinjiang, China | |
| 4 | 143.69 miles (231.25 km) WSW | Kanas Airport (KJI) | Burqin County, Xinjiang, China | |
| 5 | 152.38 miles (245.23 km) S | Fuyun Airport (FYN) | Fuyun, Xinjiang, China | |
| 6 | 271.08 miles (436.26 km) NE | Kyzyl Airport (KYZ) | Kyzyl, Tuva, Russia | |
| 7 | 334.32 miles (538.04 km) N | Abakan International Airport (ABA) | Abakan, Khakassia, Russia | |
| 8 | 336.97 miles (542.30 km) SW | Karamay Airport (KRY) | Karamay, Xinjiang, China | |
| 9 | 340.68 miles (548.27 km) WNW | Oskemen Airport (UKK) | Oskemen (Ust-Kamenogorsk), Kazakhstan | |
| 10 | 344.11 miles (553.79 km) ESE | Altai Airport (LTI) | Altai, Govi-Altai, Mongolia | |
| 11 | 357.71 miles (575.68 km) NNW | Spichenkovo Airport (NOZ) | Prokopyevsk, Kemerovo Oblast, Russia | |
| 12 | 370.04 miles (595.51 km) SSW | Ürümqi Diwopu International Airport (URC) | Ürümqi, Xinjiang, China | |
| 13 | 409.03 miles (658.26 km) NW | Barnaul Airport (BAX) | Barnaul, Altai Krai, Russia | |
| 14 | 413.74 miles (665.84 km) S | Turpan Jiaohe Airport (TLQ) | Turpan, Xinjiang, China | |
| 15 | 442.81 miles (712.63 km) WNW | Semipalatinsk Airport (PLX) | Semey, Kazakhstan | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,642.96 miles (18,737.48 km) WSW | Teniente Julio Gallardo Airfield (PNT) | Puerto Natales, Chile | |
| 2 | 11,638.16 miles (18,729.76 km) WSW | Lago Argentino Airport (ING) | El Calafate, Santa Cruz, Argentina | |
| 3 | 11,627.24 miles (18,712.19 km) WSW | Comandante Armando Tola International Airport (FTE) | El Calafate, Santa Cruz Province, Argentina | |
| 4 | 11,622.80 miles (18,705.04 km) W | Cochrane Airfield (LGR) | Cochrane, Chile | |
| 5 | 11,569.11 miles (18,618.63 km) W | Chile Chico Airfield (CCH) | Chile Chico, Aisén Region, Chile | |
| 6 | 11,564.76 miles (18,611.62 km) W | Teniente Vidal Airfield (GXQ) | Coyhaique, Chile | |
| 7 | 11,559.20 miles (18,602.68 km) WSW | Presidente Carlos Ibáñez International Airport (PUQ) | Punta Arenas, Chile | |
| 8 | 11,554.10 miles (18,594.48 km) W | Balmaceda Airport (BBA) | Balmaceda, Chile | |
| 9 | 11,536.14 miles (18,565.57 km) W | Perito Moreno Airport (PMQ) | Perito Moreno, Santa Cruz, Argentina | |
| 10 | 11,533.91 miles (18,561.98 km) WSW | Gamboa Airport (WCA) | Castro, Chile | |
| 11 | 11,533.78 miles (18,561.78 km) W | Gobernador Gregores Airport (GGS) | Gobernador Gregores, Santa Cruz, Argentina | |
| 12 | 11,525.49 miles (18,548.44 km) WSW | Mocopulli Airport (MHC) | Castro, Los Lagos, Chile | |
| 13 | 11,510.79 miles (18,524.77 km) WSW | Pupelde Airfield (ZUD) | Ancud, Los Lagos Region, Chile | |
| 14 | 11,505.90 miles (18,516.91 km) WSW | Piloto Civil Norberto Fernández International Airport (RGL) | Río Gallegos, Santa Cruz, Argentina | |
| 15 | 11,505.88 miles (18,516.87 km) WSW | Chaitén Airfield (WCH) | Chaitén, Los Lagos, Chile | |