Nonstop flight route between Gunnedah, New South Wales, Australia and Alton, Illinois, United States:
Departure Airport:
(30°57'42"S by 150°15'0"E)
Arrival Airport:
(38°53'25"N by 90°2'45"W)
Distance from GUH to ALN:
9,039.01 miles (14,546.84 km)
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- About this route
- GUH Airport Information
- ALN Airport Information
- Facts about GUH
- Facts about ALN
- Map of Nearest Airports to GUH
- List of Nearest Airports to GUH
- Map of Furthest Airports from GUH
- List of Furthest Airports from GUH
- 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 Gunnedah Airport (GUH), Gunnedah, New South Wales, Australia and St. Louis Regional Airport (ALN), Alton, Illinois, United States would travel a Great Circle distance of 9,039 miles (or 14,547 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 Gunnedah Airport and St. Louis Regional 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 Gunnedah Airport and St. Louis Regional Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | GUH / YGDH |
| Airport Name: | Gunnedah Airport |
| Location: | Gunnedah, New South Wales, Australia |
| GPS Coordinates: | 30°57'42"S by 150°15'0"E |
| Operator/Owner: | Gunnedah Shire Council |
| Airport Type: | Public |
| Elevation: | 863 feet (263 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from GUH |
| More Information: | GUH 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 Gunnedah Airport (GUH):
- Because of Gunnedah Airport's relatively low elevation of 863 feet, planes can take off or land at Gunnedah 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 Gunnedah Airport (GUH) is Tamworth Airport (TMW), which is located 36 miles (59 kilometers) ESE of GUH.
- The furthest airport from Gunnedah Airport (GUH) is Santa Maria Airport (SMA), which is located 11,946 miles (19,225 kilometers) away in Santa Maria, Portugal.
- Gunnedah Airport (GUH) has 2 runways.
Facts about St. Louis Regional Airport (ALN):
- Today a fair amount of air traffic and the Direct TV blimp comes for Cardinals playoffs, as Lambert's airport cannot take the blimp.
- 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.
- In the spring of 2004 the airport was at the center of a scandal.
- 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.
- Civic Memorial Airport opened in 1946 and received its current name in 1984.
- 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.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 36.48 miles (58.71 km) ESE | Tamworth Airport (TMW) | Tamworth, New South Wales, Australia |     |
| 2 | 63.54 miles (102.25 km) WSW | Coonabarabran Airport (COJ) | Coonabarabran, New South Wales, Australia | |
| 3 | 67.61 miles (108.80 km) SW | Coolah Airport (CLH) | Coolah, New South Wales, Australia | |
| 4 | 86.50 miles (139.21 km) ENE | Armidale Airport (ARM) | Armidale, New South Wales, Australia | |
| 5 | 91.31 miles (146.95 km) NE | Inverell Airport (IVR) | Inverell, New South Wales, Australia | |
| 6 | 103.92 miles (167.25 km) NNW | Moree Airport (MRZ) | Moree, New South Wales, Australia | |
| 7 | 111.09 miles (178.78 km) W | Coonamble Airport (CNB) | Coonamble, New South Wales, Australia | |
| 8 | 116.80 miles (187.97 km) SSW | Mudgee Airport (DGE) | Mudgee, New South Wales, Australia | |
| 9 | 123.61 miles (198.93 km) NE | Glen Innes Airport (GLI) | Glen Innes, New South Wales, Australia | |
| 10 | 131.29 miles (211.29 km) SW | Dubbo City Regional Airport (DBO) | Dubbo, New South Wales, Australia | |
| 11 | 140.58 miles (226.25 km) SSE | Maitland Airport (MTL) | Maitland, New South Wales, Australia | |
| 12 | 140.76 miles (226.54 km) NW | Collarenebri Airport (CRB) | Collarenebri, New South Wales, Australia | |
| 13 | 141.53 miles (227.77 km) SSE | Cessnock Airport (CES) | Cessnock, New South Wales, Australia | |
| 14 | 149.40 miles (240.44 km) E | Kempsey Airport (KPS) | Kempsey, New South Wales, Australia | |
| 15 | 157.12 miles (252.85 km) SE | Newcastle Airport (NTL) | Newcastle, New South Wales, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,945.63 miles (19,224.58 km) NNW | Santa Maria Airport (SMA) | Santa Maria, Portugal | |
| 2 | 11,914.55 miles (19,174.57 km) NNW | João Paulo II Airport (PDL) | Ponta Delgada, Azores, Portugal | |
| 3 | 11,911.29 miles (19,169.32 km) N | Horta International Airport (HOR) | Horta, Azores, Portugal | |
| 4 | 11,906.97 miles (19,162.37 km) N | Pico Airport (PIX) | Pico Island, Azores, Portugal | |
| 5 | 11,877.24 miles (19,114.52 km) NNW | Lajes Air Base (TER) | Lajes, Azores, Portugal | |
| 6 | 11,866.67 miles (19,097.50 km) N | Graciosa Airport (GRW) | Graciosa Island, Azores, Portugal | |
| 7 | 11,844.61 miles (19,062.01 km) N | Flores Airport (FLW) | Flores Island, Azores, Portugal | |
| 8 | 11,830.19 miles (19,038.80 km) N | Corvo Airport (CVU) | Corvo Island, Azores, Portugal | |
| 9 | 11,700.14 miles (18,829.51 km) W | La Palma Airport (SPC) | La Palma, Canary Islands, Spain | |
| 10 | 11,666.45 miles (18,775.29 km) WNW | Madeira Airport (FNC) | Funchal, Madeira, Portugal | |
| 11 | 11,656.71 miles (18,759.61 km) WNW | La Gomera Airport (GMZ) | Alajeró / San Sebastián, Canary Islands, Spain | |
| 12 | 11,638.94 miles (18,731.00 km) WNW | Porto Santo Airport (PXO) | Porto Santo, Madeira, Portugal | |
| 13 | 11,619.73 miles (18,700.09 km) W | Tenerife-South Airport (TFS) | Tenerife, Canary Islands, Spain | |
| 14 | 11,614.79 miles (18,692.15 km) W | Tenerife North Airport (TFN) | Tenerife, Canary Islands, Spain | |
| 15 | 11,548.33 miles (18,585.19 km) W | Gran Canaria Airport (LPA) | Las Palmas, Canary Islands, Spain | |
| 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 | |