Nonstop flight route between Sulphur Springs, Texas, United States and Alton, Illinois, United States:
Departure Airport:
(33°9'34"N by 95°37'15"W)
Arrival Airport:
(38°53'25"N by 90°2'45"W)
Distance from SLR to ALN:
503.57 miles (810.42 km)
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Jump to:
- About this route
- SLR Airport Information
- ALN Airport Information
- Facts about SLR
- Facts about ALN
- Map of Nearest Airports to SLR
- List of Nearest Airports to SLR
- Map of Furthest Airports from SLR
- List of Furthest Airports from SLR
- 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 Sulphur Springs Municipal Airport (SLR), Sulphur Springs, Texas, United States and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 504 miles (or 810 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 Sulphur Springs Municipal Airport 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: | SLR / KSLR |
| Airport Name: | Sulphur Springs Municipal Airport |
| Location: | Sulphur Springs, Texas, United States |
| GPS Coordinates: | 33°9'34"N by 95°37'15"W |
| Area Served: | Sulphur Springs, Texas |
| Operator/Owner: | City of Sulphur Springs |
| Airport Type: | Public |
| Elevation: | 489 feet (149 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from SLR |
| More Information: | SLR 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 Sulphur Springs Municipal Airport (SLR):
- Because of Sulphur Springs Municipal Airport's relatively low elevation of 489 feet, planes can take off or land at Sulphur Springs Municipal 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 Sulphur Springs Municipal Airport (SLR) is Sir Gaëtan Duval Airport (RRG), which is located 10,846 miles (17,455 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Sulphur Springs Municipal Airport (SLR) is Majors Airport (GVT), which is located 26 miles (43 kilometers) WSW of SLR.
- Sulphur Springs Municipal Airport (SLR) currently has only 1 runway.
- Sulphur Springs Municipal Airport covers an area of 197 acres at an elevation of 489 feet above mean sea level.
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.
- West Star Aviation is the largest fixed base operations company at the airport.
- The 2,250 acres airfield sits at 544 ft MSL.
- Its operations are paid for by an airport taxation district created in 1946, which collects taxes from property owners in the Madison County townships of Alton, Wood River, Foster and Fort Russell.
- 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.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 26.48 miles (42.61 km) WSW | Majors Airport (GVT) | Greenville, Texas, United States |     |
| 2 | 34.39 miles (55.34 km) NNE | Cox FieldCox Army Airfield (PRX) | Paris, Texas, United States | |
| 3 | 48.72 miles (78.41 km) SW | Terrell Municipal Airport (TRL) | Terrell, Texas, United States | |
| 4 | 57.10 miles (91.90 km) SSE | Tyler Pounds Regional Airport (TYR) | Tyler, Texas, United States | |
| 5 | 60.63 miles (97.57 km) N | Stan Stamper Municipal Airport (HUJ) | Hugo, Oklahoma, United States | |
| 6 | 70.04 miles (112.72 km) NW | Eaker Field (DUA) | Durant, Oklahoma, United States | |
| 7 | 71.38 miles (114.87 km) N | Antlers Municipal Airport (ATE) | Antlers, Oklahoma, United States | |
| 8 | 71.60 miles (115.23 km) W | Addison Airport (ADS) | Dallas, Texas, United States | |
| 9 | 71.76 miles (115.49 km) WNW | North Texas Regional Airport (PNX) | Sherman/Denison, Texas, United States | |
| 10 | 74.50 miles (119.90 km) WSW | Dallas Love Field (DAL) | Dallas, Texas, United States | |
| 11 | 75.28 miles (121.15 km) SE | East Texas Regional Airport (GGG) | Longview, Texas, United States | |
| 12 | 79.54 miles (128.01 km) WSW | Dallas Executive Airport (RBD) | Dallas, Texas, United States | |
| 13 | 84.06 miles (135.29 km) WSW | Dallas/Fort Worth International Airport (DFW) | Dallas and Fort Worth, Texas, United States | |
| 14 | 88.11 miles (141.79 km) ESE | Harrison County Airport (ASL) | Marshall, Texas, United States | |
| 15 | 90.40 miles (145.49 km) SSW | C. David Campbell Field (CRS) | Corsicana, Texas, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,846.06 miles (17,455.00 km) ESE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 10,788.01 miles (17,361.57 km) SSW | Cocos (Keeling) Island Airport (CCK) | Cocos Islands, Australia | |
| 3 | 10,673.51 miles (17,177.31 km) W | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 4 | 10,654.29 miles (17,146.38 km) W | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 5 | 10,635.57 miles (17,116.25 km) W | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 6 | 10,629.77 miles (17,106.92 km) W | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 7 | 10,627.58 miles (17,103.39 km) W | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 8 | 10,623.40 miles (17,096.67 km) W | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 9 | 10,621.55 miles (17,093.69 km) W | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 10 | 10,617.80 miles (17,087.65 km) W | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |
| 11 | 10,617.15 miles (17,086.60 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 12 | 10,609.14 miles (17,073.72 km) W | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 13 | 10,602.13 miles (17,062.43 km) W | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 14 | 10,584.03 miles (17,033.31 km) W | Carnarvon Airport (CVQ) | Carnarvon, Western Australia, Australia | |
| 15 | 10,578.18 miles (17,023.89 km) ESE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 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 | |