About this route:

A direct, nonstop flight between St. Louis Regional Airport (ALN), Alton, Illinois, United States and St Helens Airport (HLS), St. Helens, Tasmania, Australia would travel a Great Circle distance of 9,409 miles (or 15,143 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 St Helens 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 St Helens 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: HLS / YSTH
Airport Name: St Helens Airport
Location: St. Helens, Tasmania, Australia
GPS Coordinates: 41°20'12"S by 148°16'54"E
Operator/Owner: Break O'Day Council
Airport Type: Public
Elevation: 158 feet (48 meters)
# of Runways: 1
View all routes: Routes from HLS
More Information: HLS Maps & Info

Facts about St. Louis Regional Airport (ALN):

  • The 2,250 acres airfield sits at 544 ft MSL.
  • 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.
  • St. Louis Regional Airport (ALN) has 2 runways.

Facts about St Helens Airport (HLS):

  • The furthest airport from St Helens Airport (HLS) is Corvo Airport (CVU), which is nearly antipodal to St Helens Airport (meaning St Helens Airport is almost on the exact opposite side of the Earth from Corvo Airport), and is located 12,317 miles (19,823 kilometers) away in Corvo Island, Azores, Portugal.
  • Because of St Helens Airport's relatively low elevation of 158 feet, planes can take off or land at St Helens 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 Helens Airport (HLS) currently has only 1 runway.
  • The closest airport to St Helens Airport (HLS) is Launceston Airport (LST), which is located 57 miles (92 kilometers) WSW of HLS.

Map of Nearest Airports to St. Louis Regional Airport:

List of Nearest Airports to St. Louis Regional Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
119.64 miles (31.61 km) WSWLambert–St. Louis International Airport (STL)St. Louis, Missouri, United StatesView Lambert–St. Louis International Airport on a map Set STL as origin Airport Set STL as destination Airport Get more information about Lambert–St. Louis International Airport
222.85 miles (36.78 km) SSWSt. Louis Downtown Airport (CPS)Cahokia, Illinois (near St. Louis), United StatesView St. Louis Downtown Airport on a map Set CPS as origin Airport Set CPS as destination Airport Get more information about St. Louis Downtown Airport
326.41 miles (42.50 km) SSEMidAmerica St. Louis Airport (BLV)Belleville, Illinois, United StatesView MidAmerica St. Louis Airport on a map Set BLV as origin Airport Set BLV as destination Airport Get more information about MidAmerica St. Louis Airport
436.08 miles (58.06 km) EGreenville Airport (GRE)Greenville, Illinois, United StatesView Greenville Airport on a map Set GRE as origin Airport Set GRE as destination Airport Get more information about Greenville Airport
536.24 miles (58.32 km) WSWSpirit of St. Louis Airport (SUS)Chesterfield, Missouri, United StatesView Spirit of St. Louis Airport on a map Set SUS as origin Airport Set SUS as destination Airport Get more information about Spirit of St. Louis Airport
660.74 miles (97.76 km) ESESalem–Leckrone Airport (SLO)Salem, Illinois, United StatesView Salem–Leckrone Airport on a map Set SLO as origin Airport Set SLO as destination Airport Get more information about Salem–Leckrone Airport
768.78 miles (110.69 km) NNEAbraham Lincoln Capital Airport (SPI)Springfield, Illinois, United StatesView Abraham Lincoln Capital Airport on a map Set SPI as origin Airport Set SPI as destination Airport Get more information about Abraham Lincoln Capital Airport
875.13 miles (120.92 km) ESEMt. Vernon Airport (MVN)Mount Vernon, Illinois, United StatesView Mt. Vernon Airport on a map Set MVN as origin Airport Set MVN as destination Airport Get more information about Mt. Vernon Airport
988.08 miles (141.75 km) SSESouthern Illinois Airport (MDH)Carbondale/Murphysboro, Illinois, United StatesView Southern Illinois Airport on a map Set MDH as origin Airport Set MDH as destination Airport Get more information about Southern Illinois Airport
1090.73 miles (146.02 km) NEDecatur Airport (DEC)Decatur, Illinois, United StatesView Decatur Airport on a map Set DEC as origin Airport Set DEC as destination Airport Get more information about Decatur Airport
1195.12 miles (153.07 km) NWQuincy Regional Airport (UIN)Quincy, Illinois, United StatesView Quincy Regional Airport on a map Set UIN as origin Airport Set UIN as destination Airport Get more information about Quincy Regional Airport
1296.44 miles (155.20 km) SEWilliamson County Regional Airport (MWA)Marion, Illinois, United StatesView Williamson County Regional Airport on a map Set MWA as origin Airport Set MWA as destination Airport Get more information about Williamson County Regional Airport
13102.97 miles (165.72 km) ENEColes County Memorial Airport (MTO)Mattoon/Charleston, Illinois, United StatesView Coles County Memorial Airport on a map Set MTO as origin Airport Set MTO as destination Airport Get more information about Coles County Memorial Airport
14107.04 miles (172.27 km) WSWRolla National Airport (VIH)Rolla, Missouri, United StatesView Rolla National Airport on a map Set VIH as origin Airport Set VIH as destination Airport Get more information about Rolla National Airport
15115.57 miles (186.00 km) WJefferson City Memorial Airport (JEF)Jefferson City, Missouri, United StatesView Jefferson City Memorial Airport on a map Set JEF as origin Airport Set JEF as destination Airport Get more information about Jefferson City Memorial Airport

Map of Furthest Airports from St. Louis Regional Airport:

List of Furthest Airports from St. Louis Regional Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
111,002.15 miles (17,706.21 km) WMargaret River Airport (MGV)Margaret River, Western Australia, AustraliaView Margaret River Airport on a map Set MGV as origin Airport Set MGV as destination Airport Get more information about Margaret River Airport
210,979.99 miles (17,670.53 km) WBusselton Regional Airport (BQB)Busselton, Western Australia, AustraliaView Busselton Regional Airport on a map Set BQB as origin Airport Set BQB as destination Airport Get more information about Busselton Regional Airport
310,957.22 miles (17,633.90 km) WBunbury Airport (BUY)Bunbury, Western Australia, AustraliaView Bunbury Airport on a map Set BUY as origin Airport Set BUY as destination Airport Get more information about Bunbury Airport
410,954.58 miles (17,629.65 km) WManjimup Airport (MJP)Manjimup, Western Australia, AustraliaView Manjimup Airport on a map Set MJP as origin Airport Set MJP as destination Airport Get more information about Manjimup Airport
510,926.12 miles (17,583.85 km) WRottnest Airport (RTS)Rottnest Island, Western Australia, AustraliaView Rottnest Airport on a map Set RTS as origin Airport Set RTS as destination Airport Get more information about Rottnest Airport
610,910.74 miles (17,559.09 km) WJandakot Airport (JAD)Jandakot, Western Australia, AustraliaView Jandakot Airport on a map Set JAD as origin Airport Set JAD as destination Airport Get more information about Jandakot Airport
710,901.55 miles (17,544.30 km) WPerth Airport (PER)Perth, Western Australia, AustraliaView Perth Airport on a map Set PER as origin Airport Set PER as destination Airport Get more information about Perth Airport
810,897.24 miles (17,537.37 km) WSWJurien Bay Airport (JUR)Jurien Bay, Western Australia, AustraliaView Jurien Bay Airport on a map Set JUR as origin Airport Set JUR as destination Airport Get more information about Jurien Bay Airport
910,880.36 miles (17,510.20 km) WAlbany Airport (ALH)Albany, Western Australia, AustraliaView Albany Airport on a map Set ALH as origin Airport Set ALH as destination Airport Get more information about Albany Airport
1010,861.31 miles (17,479.54 km) WSWGeraldton Airport (GET)Geraldton, Western Australia, AustraliaView Geraldton Airport on a map Set GET as origin Airport Set GET as destination Airport Get more information about Geraldton Airport
1110,859.59 miles (17,476.77 km) WKatanning Airport (KNI)Katanning, Western Australia, AustraliaView Katanning Airport on a map Set KNI as origin Airport Set KNI as destination Airport Get more information about Katanning Airport
1210,841.22 miles (17,447.21 km) WSWKalbarri Airport (KAX)Kalbarri, Western Australia, AustraliaView Kalbarri Airport on a map Set KAX as origin Airport Set KAX as destination Airport Get more information about Kalbarri Airport
1310,808.74 miles (17,394.93 km) WSWMorawa Airport (MWB)Morawa, Western Australia, AustraliaView Morawa Airport on a map Set MWB as origin Airport Set MWB as destination Airport Get more information about Morawa Airport
1410,807.95 miles (17,393.67 km) WSWMullewa Airport (MXU)Mullewa, Western Australia, AustraliaView Mullewa Airport on a map Set MXU as origin Airport Set MXU as destination Airport Get more information about Mullewa Airport
1510,799.72 miles (17,380.43 km) WSWShark Bay Airport (MJK)Monkey Mia, Western Australia, AustraliaView Shark Bay Airport on a map Set MJK as origin Airport Set MJK as destination Airport Get more information about Shark Bay Airport

Map of Nearest Airports to St Helens Airport:

List of Nearest Airports to St Helens Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
157.09 miles (91.88 km) WSWLaunceston Airport (LST)Launceston, Tasmania, AustraliaView Launceston Airport on a map Set LST as destination Airport Set LST as destination Airport Get more information about Launceston Airport
277.01 miles (123.93 km) WNWGeorge Town Aerodrome (GEE)George Town, Tasmania, AustraliaView George Town Aerodrome on a map Set GEE as destination Airport Set GEE as destination Airport Get more information about George Town Aerodrome
387.36 miles (140.59 km) NFlinders Island Airport (FLS)Flinders Island, Tasmania, AustraliaView Flinders Island Airport on a map Set FLS as destination Airport Set FLS as destination Airport Get more information about Flinders Island Airport
496.86 miles (155.88 km) WDevonport Airport (DPO)Devonport, Tasmania, AustraliaView Devonport Airport on a map Set DPO as destination Airport Set DPO as destination Airport Get more information about Devonport Airport
5110.94 miles (178.53 km) SSWHobart International Airport (HBA)Hobart, Tasmania, AustraliaView Hobart International Airport on a map Set HBA as destination Airport Set HBA as destination Airport Get more information about Hobart International Airport
6134.69 miles (216.77 km) WBurnie Airport (BWT)Burnie, Tasmania, AustraliaView Burnie Airport on a map Set BWT as destination Airport Set BWT as destination Airport Get more information about Burnie Airport
7170.12 miles (273.78 km) WSmithton Airport (SIO)Smithton, Tasmania, AustraliaView Smithton Airport on a map Set SIO as destination Airport Set SIO as destination Airport Get more information about Smithton Airport
8241.32 miles (388.37 km) NBairnsdale Aerodrome (BSJ)Bairnsdale, Victoria, AustraliaView Bairnsdale Aerodrome on a map Set BSJ as destination Airport Set BSJ as destination Airport Get more information about Bairnsdale Aerodrome
9251.98 miles (405.52 km) WNWKing Island Airport (KNS)Currie, Tasmania, AustraliaView King Island Airport on a map Set KNS as destination Airport Set KNS as destination Airport Get more information about King Island Airport
10287.23 miles (462.24 km) NWMoorabbin Harry Hawker Airport (MBW)Moorabbin, Victoria, AustraliaView Moorabbin Harry Hawker Airport on a map Set MBW as destination Airport Set MBW as destination Airport Get more information about Moorabbin Harry Hawker Airport
11300.22 miles (483.16 km) NWGeelong Airport (GEX)Grovedale, Victoria, AustraliaView Geelong Airport on a map Set GEX as destination Airport Set GEX as destination Airport Get more information about Geelong Airport
12300.66 miles (483.86 km) NMount Hotham Airport (MHU)Mount Hotham, Victoria, AustraliaView Mount Hotham Airport on a map Set MHU as destination Airport Set MHU as destination Airport Get more information about Mount Hotham Airport
13307.52 miles (494.90 km) NWEssendon Airport (MEB)Melbourne, Victoria, AustraliaView Essendon Airport on a map Set MEB as destination Airport Set MEB as destination Airport Get more information about Essendon Airport
14312.45 miles (502.84 km) NWMelbourne Airport (MEL)Melbourne, Victoria, AustraliaView Melbourne Airport on a map Set MEL as destination Airport Set MEL as destination Airport Get more information about Melbourne Airport
15315.73 miles (508.12 km) NWAvalon Airport (AVV)Avalon, Victoria, AustraliaView Avalon Airport on a map Set AVV as destination Airport Set AVV as destination Airport Get more information about Avalon Airport

Map of Furthest Airports from St Helens Airport:

List of Furthest Airports from St Helens Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
112,317.39 miles (19,822.86 km) NNWCorvo Airport (CVU)Corvo Island, Azores, PortugalView Corvo Airport on a map Set CVU as destination Airport Set CVU as destination Airport Get more information about Corvo Airport
212,303.39 miles (19,800.33 km) NNWFlores Airport (FLW)Flores Island, Azores, PortugalView Flores Airport on a map Set FLW as destination Airport Set FLW as destination Airport Get more information about Flores Airport
312,187.96 miles (19,614.57 km) NWGraciosa Airport (GRW)Graciosa Island, Azores, PortugalView Graciosa Airport on a map Set GRW as destination Airport Set GRW as destination Airport Get more information about Graciosa Airport
412,185.49 miles (19,610.60 km) NWHorta International Airport (HOR)Horta, Azores, PortugalView Horta International Airport on a map Set HOR as destination Airport Set HOR as destination Airport Get more information about Horta International Airport
512,177.83 miles (19,598.28 km) NWPico Airport (PIX)Pico Island, Azores, PortugalView Pico Airport on a map Set PIX as destination Airport Set PIX as destination Airport Get more information about Pico Airport
612,134.30 miles (19,528.22 km) NWLajes Air Base (TER)Lajes, Azores, PortugalView Lajes Air Base on a map Set TER as destination Airport Set TER as destination Airport Get more information about Lajes Air Base
712,031.26 miles (19,362.39 km) NWJoão Paulo II Airport (PDL)Ponta Delgada, Azores, PortugalView João Paulo II Airport on a map Set PDL as destination Airport Set PDL as destination Airport Get more information about João Paulo II Airport
811,974.54 miles (19,271.10 km) NWSanta Maria Airport (SMA)Santa Maria, PortugalView Santa Maria Airport on a map Set SMA as destination Airport Set SMA as destination Airport Get more information about Santa Maria Airport
911,421.39 miles (18,380.90 km) WNWMadeira Airport (FNC)Funchal, Madeira, PortugalView Madeira Airport on a map Set FNC as destination Airport Set FNC as destination Airport Get more information about Madeira Airport
1011,418.70 miles (18,376.57 km) WNWPorto Santo Airport (PXO)Porto Santo, Madeira, PortugalView Porto Santo Airport on a map Set PXO as destination Airport Set PXO as destination Airport Get more information about Porto Santo Airport
1111,317.17 miles (18,213.17 km) ENESt. John's International Airport (YYT)St. John's, Newfoundland and Labrador, CanadaView St. John's International Airport on a map Set YYT as destination Airport Set YYT as destination Airport Get more information about St. John's International Airport
1211,258.38 miles (18,118.57 km) NWLa Palma Airport (SPC)La Palma, Canary Islands, SpainView La Palma Airport on a map Set SPC as destination Airport Set SPC as destination Airport Get more information about La Palma Airport
1311,249.17 miles (18,103.75 km) WVigo Airport (VGO)Vigo, Galicia, SpainView Vigo Airport on a map Set VGO as destination Airport Set VGO as destination Airport Get more information about Vigo Airport
1411,244.10 miles (18,095.58 km) WFrancisco Sá Carneiro Airport (OPO)Porto, PortugalView Francisco Sá Carneiro Airport on a map Set OPO as destination Airport Set OPO as destination Airport Get more information about Francisco Sá Carneiro Airport
1511,241.46 miles (18,091.33 km) WNWSantiago de Compostela Airport (SCQ)Santiago de Compostela, SpainView Santiago de Compostela Airport on a map Set SCQ as destination Airport Set SCQ as destination Airport Get more information about Santiago de Compostela Airport