Nonstop flight route between Alton, Illinois, United States and Kathmandu, Nepal:
Departure Airport:
(38°53'25"N by 90°2'45"W)
Arrival Airport:
(27°41'47"N by 85°21'32"E)
Distance from ALN to KTM:
7,826.55 miles (12,595.59 km)
Share this route:
Jump to:
- About this route
- ALN Airport Information
- KTM Airport Information
- Facts about ALN
- Facts about KTM
- Map of Nearest Airports to ALN
- List of Nearest Airports to ALN
- Map of Furthest Airports from ALN
- List of Furthest Airports from ALN
- Map of Nearest Airports to KTM
- List of Nearest Airports to KTM
- Map of Furthest Airports from KTM
- List of Furthest Airports from KTM
About this route:
A direct, nonstop flight between St. Louis Regional Airport (ALN), Alton, Illinois, United States and Tribhuvan International Airport (KTM), Kathmandu, Nepal would travel a Great Circle distance of 7,827 miles (or 12,596 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 Regional Airport and Tribhuvan International 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 Regional Airport and Tribhuvan International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | ALN / KALN |
| Airport Name: | St. Louis Regional Airport |
| Location: | Alton, Illinois, United States |
| GPS Coordinates: | 38°53'25"N by 90°2'45"W |
| Area Served: | Alton, Illinois |
| Operator/Owner: | St. Louis Regional |
| Airport Type: | Public |
| Elevation: | 544 feet (166 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from ALN |
| More Information: | ALN Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | KTM / VNKT |
| Airport Names: |
|
| Location: | Kathmandu, Nepal |
| GPS Coordinates: | 27°41'47"N by 85°21'32"E |
| Area Served: | Kathmandu, Nepal |
| Operator/Owner: | Civil Aviation Authority of Nepal (CAAN) |
| Airport Type: | Public |
| Elevation: | 4390 feet (1,338 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from KTM |
| More Information: | KTM Maps & Info |
Facts about St. Louis Regional Airport (ALN):
- The furthest airport from St. Louis Regional Airport (ALN) is Margaret River Airport (MGV), which is located 11,002 miles (17,706 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to St. Louis Regional Airport (ALN) is Lambert–St. Louis International Airport (STL), which is located only 20 miles (32 kilometers) WSW of ALN.
- Because of St. Louis Regional Airport's relatively low elevation of 544 feet, planes can take off or land at St. Louis Regional 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.
- St. Louis Regional Airport (ALN) has 2 runways.
- Civic Memorial Airport opened in 1946 and received its current name in 1984.
Facts about Tribhuvan International Airport (KTM):
- The furthest airport from Tribhuvan International Airport (KTM) is Mataveri International Airport (IPC), which is located 11,530 miles (18,556 kilometers) away in Easter Island, Chile.
- The Airport is connected to the Cities of Kathmandu and Lalitpur through the Busses of Sajha Yatayat, which stop in front of the International Terminal.
- In addition to being known as "Tribhuvan International Airport", another name for KTM is "त्रिभुवन अन्तर्राष्ट्रिय विमानस्थल".
- The Airport has two Public Terminals.
- The first jet aircraft to land at Tribhuvan was a Air india Boeing 707, which touched down on the 6,600 feet runway in 1967.
- Because of Tribhuvan International Airport's high elevation of 4,390 feet, planes must typically fly at a faster airspeed in order to takeoff or land at KTM. Combined with a high temperature, this could make KTM a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- Tribhuvan International Airport (KTM) currently has only 1 runway.
- Tribhuvan International Airport handled 3,405,015 passengers last year.
- The closest airport to Tribhuvan International Airport (KTM) is Ramechhap Airport (RHP), which is located 48 miles (77 kilometers) ESE of KTM.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 19.64 miles (31.61 km) WSW | Lambert–St. Louis International Airport (STL) | St. Louis, Missouri, United States |     |
| 2 | 22.85 miles (36.78 km) SSW | St. Louis Downtown Airport (CPS) | Cahokia, Illinois (near St. Louis), United States | |
| 3 | 26.41 miles (42.50 km) SSE | MidAmerica St. Louis Airport (BLV) | Belleville, Illinois, United States | |
| 4 | 36.08 miles (58.06 km) E | Greenville Airport (GRE) | Greenville, Illinois, United States | |
| 5 | 36.24 miles (58.32 km) WSW | Spirit of St. Louis Airport (SUS) | Chesterfield, Missouri, United States | |
| 6 | 60.74 miles (97.76 km) ESE | Salem–Leckrone Airport (SLO) | Salem, Illinois, United States | |
| 7 | 68.78 miles (110.69 km) NNE | Abraham Lincoln Capital Airport (SPI) | Springfield, Illinois, United States | |
| 8 | 75.13 miles (120.92 km) ESE | Mt. Vernon Airport (MVN) | Mount Vernon, Illinois, United States | |
| 9 | 88.08 miles (141.75 km) SSE | Southern Illinois Airport (MDH) | Carbondale/Murphysboro, Illinois, United States | |
| 10 | 90.73 miles (146.02 km) NE | Decatur Airport (DEC) | Decatur, Illinois, United States | |
| 11 | 95.12 miles (153.07 km) NW | Quincy Regional Airport (UIN) | Quincy, Illinois, United States | |
| 12 | 96.44 miles (155.20 km) SE | Williamson County Regional Airport (MWA) | Marion, Illinois, United States | |
| 13 | 102.97 miles (165.72 km) ENE | Coles County Memorial Airport (MTO) | Mattoon/Charleston, Illinois, United States | |
| 14 | 107.04 miles (172.27 km) WSW | Rolla National Airport (VIH) | Rolla, Missouri, United States | |
| 15 | 115.57 miles (186.00 km) W | Jefferson City Memorial Airport (JEF) | Jefferson City, Missouri, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,002.15 miles (17,706.21 km) W | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 10,979.99 miles (17,670.53 km) W | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 10,957.22 miles (17,633.90 km) W | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 4 | 10,954.58 miles (17,629.65 km) W | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 5 | 10,926.12 miles (17,583.85 km) W | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 6 | 10,910.74 miles (17,559.09 km) W | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 7 | 10,901.55 miles (17,544.30 km) W | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 8 | 10,897.24 miles (17,537.37 km) WSW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 9 | 10,880.36 miles (17,510.20 km) W | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 10 | 10,861.31 miles (17,479.54 km) WSW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 11 | 10,859.59 miles (17,476.77 km) W | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 12 | 10,841.22 miles (17,447.21 km) WSW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 13 | 10,808.74 miles (17,394.93 km) WSW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 14 | 10,807.95 miles (17,393.67 km) WSW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 10,799.72 miles (17,380.43 km) WSW | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 47.84 miles (77.00 km) ESE | Ramechhap Airport (RHP) | Ramechhap, Nepal | |
| 2 | 56.88 miles (91.54 km) W | Bharatpur Airport (BHR) | Bharatpur, Nepal | |
| 3 | 69.66 miles (112.10 km) W | Meghauli Airport (MEY) | Meghauli, Nepal | |
| 4 | 76.04 miles (122.38 km) E | Phaplu Airport (PPL) | Phaplu, Nepal | |
| 5 | 76.53 miles (123.16 km) SSE | Janakpur Airport(Domestic) (JKR) | Janakpur, Nepal | |
| 6 | 77.91 miles (125.39 km) ESE | Rumjatar Airport (RUM) | Rumjatar, Nepal | |
| 7 | 83.99 miles (135.17 km) E | Tenzing-Hillary Airport (LUA) | Lukla, Nepal | |
| 8 | 86.01 miles (138.42 km) ESE | Lamidanda Airport (LDN) | Lamidanda, Nepal | |
| 9 | 90.98 miles (146.42 km) WNW | Pokhara Airport (PKR) | Pokhara, Nepal | |
| 10 | 95.55 miles (153.77 km) WNW | Chaurjhari Airport (HRJ) | Chaurjhari, Nepal | |
| 11 | 109.01 miles (175.44 km) S | Muzaffarpur Airport (MZU) | Muzzafarpur, India | |
| 12 | 110.48 miles (177.80 km) ESE | Bhojpur Airport (BHP) | Bhojpur, Nepal | |
| 13 | 119.68 miles (192.61 km) W | Gautam Buddha Airport Bhairahawa Airport (BWA) | Bhairawa, Nepal | |
| 14 | 124.70 miles (200.68 km) NW | Jomsom Airport (JMO) | Jomsom, Nepal | |
| 15 | 134.67 miles (216.73 km) WSW | Gorakhpur Airport (GOP) | Gorakhpur, India | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,530.18 miles (18,555.97 km) E | Mataveri International Airport (IPC) | Easter Island, Chile | |
| 2 | 11,032.89 miles (17,755.67 km) WSW | Carriel Sur International Airport (CCP) | Concepción, Bío Bío Region, Chile | |
| 3 | 11,011.78 miles (17,721.70 km) WSW | La Florida Airport (LSC) | La Serena, Chile | |
| 4 | 11,011.78 miles (17,721.69 km) WSW | Viña del Mar Airport (KNA) | Viña del Mar, Chile | |
| 5 | 11,004.54 miles (17,710.05 km) WSW | La Unión Airport (LUI) | La Unión, Honduras[disambiguation needed] | |
| 6 | 10,983.34 miles (17,675.93 km) WSW | General Bernardo O'Higgins Airport (YAI) | Chillán, Ñuble, Chile | |
| 7 | 10,967.45 miles (17,650.36 km) WSW | Comodoro Arturo Merino Benítez International Airport (SCL) | Santiago, Chile | |
| 8 | 10,958.95 miles (17,636.68 km) SW | Victoria Airport (ZIC) | Victoria, Araucanía, Chile | |
| 9 | 10,958.73 miles (17,636.32 km) SW | Maquehue Airport (ZCO) | Temuco, Araucanía, Chile | |
| 10 | 10,956.74 miles (17,633.11 km) W | Chañaral Airport (CNR) | Chañaral, Atacama Region, Chile | |
| 11 | 10,954.10 miles (17,628.87 km) W | Chamonate Airfield (CPO) | Copiapó, Atacama Region, Chile | |
| 12 | 10,953.69 miles (17,628.21 km) SW | Pichoy Airport (ZAL) | Valdivia, Chile | |
| 13 | 10,920.99 miles (17,575.59 km) SW | Cañal Bajo Carlos Hott Siebert Airport (ZOS) | Osorno, Chile | |
| 14 | 10,908.82 miles (17,556.00 km) SW | Capitán FAP Renán Elías Olivera International Airport (PIO) | Pisco, Peru | |
| 15 | 10,908.67 miles (17,555.76 km) SW | Pucón Airport (ZPC) | Pucón, Chile | |