Nonstop flight route between Salida, Colorado, United States and Alton, Illinois, United States:
Departure Airport:
(38°32'17"N by 106°2'54"W)
Arrival Airport:
(38°53'25"N by 90°2'45"W)
Distance from SLT to ALN:
861.96 miles (1,387.19 km)
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Jump to:
- About this route
- SLT Airport Information
- ALN Airport Information
- Facts about SLT
- Facts about ALN
- Map of Nearest Airports to SLT
- List of Nearest Airports to SLT
- Map of Furthest Airports from SLT
- List of Furthest Airports from SLT
- Map of Nearest Airports to ALN
- List of Nearest Airports to ALN
- Map of Furthest Airports from ALN
- List of Furthest Airports from ALN
About this route:
A direct, nonstop flight between Harriet Alexander Field (SLT), Salida, Colorado, United States and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 862 miles (or 1,387 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 Harriet Alexander Field and St. Louis Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | SLT / KANK |
| Airport Names: |
|
| Location: | Salida, Colorado, United States |
| GPS Coordinates: | 38°32'17"N by 106°2'54"W |
| Area Served: | Salida, Colorado |
| Operator/Owner: | City of Salida & Chaffee County |
| Airport Type: | Public |
| Elevation: | 7523 feet (2,293 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from SLT |
| More Information: | SLT Maps & Info |
Arrival 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 |
Facts about Harriet Alexander Field (SLT):
- Harriet Alexander Field (SLT) currently has only 1 runway.
- Harriet Alexander Field is a public airport two miles west of Salida, in Chaffee County, Colorado.
- The closest airport to Harriet Alexander Field (SLT) is Gunnison-Crested Butte Regional Airport (GUC), which is located 48 miles (77 kilometers) W of SLT.
- In addition to being known as "Harriet Alexander Field", another name for SLT is "ANK".
- Because of Harriet Alexander Field's high elevation of 7,523 feet, planes must typically fly at a faster airspeed in order to takeoff or land at SLT. Combined with a high temperature, this could make SLT a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The furthest airport from Harriet Alexander Field (SLT) is Sir Gaëtan Duval Airport (RRG), which is located 10,993 miles (17,691 kilometers) away in Rodrigues Island, Mauritius.
Facts about St. Louis Regional Airport (ALN):
- St. Louis Regional Airport (ALN) has 2 runways.
- 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.
- 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.
- Civic Memorial Airport opened in 1946 and received its current name in 1984.
- West Star Aviation is the largest fixed base operations company at the airport.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 47.80 miles (76.93 km) W | Gunnison-Crested Butte Regional Airport (GUC) | Gunnison, Colorado, United States |     |
| 2 | 49.27 miles (79.30 km) NNW | Lake County Airport (LXV) | Leadville, Colorado, United States | |
| 3 | 64.69 miles (104.11 km) NW | Aspen–Pitkin County Airport (ASE) | Aspen, Colorado, United States | |
| 4 | 71.32 miles (114.78 km) ENE | United States Air Force Academy (AFF) | Colorado Springs, Colorado, United States | |
| 5 | 75.02 miles (120.73 km) ENE | City of Colorado Springs Municipal Airport (COS) | Colorado Springs, Colorado, United States | |
| 6 | 76.88 miles (123.72 km) S | San Luis Valley Regional Airport (ALS) | Alamosa, Colorado, United States | |
| 7 | 85.78 miles (138.05 km) E | Pueblo Memorial Airport (PUB) | Pueblo, Colorado, United States | |
| 8 | 89.40 miles (143.88 km) NNW | Eagle County Regional Airport (EGE) | Eagle, Colorado (near Vail), United States | |
| 9 | 96.02 miles (154.53 km) NE | Centennial Airport (APA) | Arapahoe County, Colorado, United States | |
| 10 | 99.78 miles (160.59 km) W | Montrose Regional Airport (MTJ) | Montrose, Colorado, United States | |
| 11 | 102.33 miles (164.69 km) SSW | Stevens Field (FAA: PSO) (PGO) | Pagosa Springs, Colorado, United States | |
| 12 | 107.02 miles (172.22 km) NNE | Rocky Mountain Metropolitan Airport (BJC) | Denver, Colorado, United States | |
| 13 | 108.70 miles (174.94 km) WSW | Telluride Regional Airport (TEX) | Telluride, Colorado, United States | |
| 14 | 112.66 miles (181.31 km) NNE | Boulder Municipal Airport (WBU) | Boulder, Colorado, United States | |
| 15 | 113.02 miles (181.89 km) NW | Garfield County Regional Airport (RIL) | Rifle, Colorado, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,992.89 miles (17,691.30 km) SSE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 10,853.91 miles (17,467.64 km) SE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 3 | 10,816.82 miles (17,407.94 km) SE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 4 | 10,797.04 miles (17,376.10 km) SE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 5 | 10,607.75 miles (17,071.48 km) ESE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 6 | 10,502.80 miles (16,902.58 km) ESE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |
| 7 | 10,482.13 miles (16,869.31 km) ESE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 8 | 10,455.74 miles (16,826.84 km) ESE | Fianarantsoa Airport (WFI) | Fianarantsoa, Madagascar | |
| 9 | 10,394.49 miles (16,728.27 km) SE | Toamasino Airport (TMM) | Toamasina, Madagascar | |
| 10 | 10,359.17 miles (16,671.42 km) SE | Sainte Marie Airport (SMS) | Île Sainte-Marie, Madagascar | |
| 11 | 10,344.77 miles (16,648.26 km) ESE | Ivato International Airport (TNR) | Antananarivo, Madagascar | |
| 12 | 10,320.14 miles (16,608.61 km) ESE | Manja Airport (MJA) | Manja, Menabe, Madagascar | |
| 13 | 10,299.34 miles (16,575.13 km) ESE | Andavadoaka Airport (DVD) | Andavadoaka, Toliara province, Atsimo-Andrefana region, Madagascar | |
| 14 | 10,288.90 miles (16,558.33 km) ESE | Morombe Airport (MXM) | Morombe, Madagascar | |
| 15 | 10,288.53 miles (16,557.75 km) ESE | Miandrivazo Airport (ZVA) | Miandrivazo, Madagascar | |
| 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 | |