Nonstop flight route between Gulfport, Mississippi, United States and Smithton, Tasmania, Australia:
Departure Airport:
(30°24'25"N by 89°4'11"W)
Arrival Airport:
(40°50'6"S by 145°4'59"E)
Distance from GPT to SIO:
9,361.23 miles (15,065.41 km)
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Jump to:
- About this route
- GPT Airport Information
- SIO Airport Information
- Facts about GPT
- Facts about SIO
- Map of Nearest Airports to GPT
- List of Nearest Airports to GPT
- Map of Furthest Airports from GPT
- List of Furthest Airports from GPT
- Map of Nearest Airports to SIO
- List of Nearest Airports to SIO
- Map of Furthest Airports from SIO
- List of Furthest Airports from SIO
About this route:
A direct, nonstop flight between Gulfport–Biloxi International Airport (GPT), Gulfport, Mississippi, United States and Smithton Airport (SIO), Smithton, Tasmania, Australia would travel a Great Circle distance of 9,361 miles (or 15,065 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 Gulfport–Biloxi International Airport and Smithton 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 Gulfport–Biloxi International Airport and Smithton Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | GPT / KGPT |
| Airport Name: | Gulfport–Biloxi International Airport |
| Location: | Gulfport, Mississippi, United States |
| GPS Coordinates: | 30°24'25"N by 89°4'11"W |
| Area Served: | Gulfport–Biloxi metropolitan area |
| Operator/Owner: | Gulfport–Biloxi Regional Airport Authority |
| Airport Type: | Public |
| Elevation: | 28 feet (9 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from GPT |
| More Information: | GPT Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | SIO / YSMI |
| Airport Name: | Smithton Airport |
| Location: | Smithton, Tasmania, Australia |
| GPS Coordinates: | 40°50'6"S by 145°4'59"E |
| Operator/Owner: | DIER |
| Airport Type: | Public |
| Elevation: | 31 feet (9 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from SIO |
| More Information: | SIO Maps & Info |
Facts about Gulfport–Biloxi International Airport (GPT):
- Because of Gulfport–Biloxi International Airport's relatively low elevation of 28 feet, planes can take off or land at Gulfport–Biloxi International 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 Gulfport–Biloxi International Airport (GPT) is Keesler Air Force Base (BIX), which is located only 9 miles (14 kilometers) E of GPT.
- Due to the large expansion of the United States Air Force as a result of the Cold War, a new lease was obtained for military use of the airport and Gulfport Air Force Base was opened as a joint-use civil/military facility.
- GPT currently has five airlines providing scheduled passenger service to six airports.
- Gulfport–Biloxi International Airport (GPT) has 2 runways.
- The furthest airport from Gulfport–Biloxi International Airport (GPT) is Cocos (Keeling) Island Airport (CCK), which is located 11,123 miles (17,900 kilometers) away in Cocos Islands, Australia.
Facts about Smithton Airport (SIO):
- The furthest airport from Smithton Airport (SIO) is Corvo Airport (CVU), which is nearly antipodal to Smithton Airport (meaning Smithton Airport is almost on the exact opposite side of the Earth from Corvo Airport), and is located 12,221 miles (19,667 kilometers) away in Corvo Island, Azores, Portugal.
- The closest airport to Smithton Airport (SIO) is Burnie Airport (BWT), which is located 36 miles (57 kilometers) ESE of SIO.
- Because of Smithton Airport's relatively low elevation of 31 feet, planes can take off or land at Smithton 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.
- Smithton Airport (SIO) has 2 runways.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 8.73 miles (14.05 km) E | Keesler Air Force Base (BIX) | Biloxi, Mississippi, United States |     |
| 2 | 32.45 miles (52.22 km) E | Trent Lott International Airport (PGL) | Pascagoula, Mississippi, United States | |
| 3 | 52.99 miles (85.28 km) ENE | Mobile Regional Airport (MOB) | Mobile, Alabama, United States | |
| 4 | 60.25 miles (96.96 km) N | Hattiesburg Bobby L. Chain Municipal Airport (HBG) | Hattiesburg, Mississippi, United States | |
| 5 | 61.53 miles (99.03 km) ENE | Mobile Downtown Airport (BFM) | Mobile, Alabama, United States | |
| 6 | 62.52 miles (100.61 km) WSW | Lakefront Airport (NEW) | New Orleans, Louisiana, United States | |
| 7 | 68.08 miles (109.57 km) WSW | Southern Seaplane Airport (BCS) | Belle Chasse, Louisiana, United States | |
| 8 | 70.31 miles (113.15 km) SW | Naval Air Station Joint Reserve Base New Orleans (NBG) | New Orleans, Louisiana, United States | |
| 9 | 74.93 miles (120.58 km) NNW | Hattiesburg–Laurel Regional Airport (PIB) | Hattiesburg/Laurel, Mississippi, United States | |
| 10 | 76.49 miles (123.10 km) WSW | Louis Armstrong New Orleans International Airport (MSY) | New Orleans, Louisiana, United States | |
| 11 | 83.77 miles (134.81 km) E | Jack Edwards Airport (GUF) | Gulf Shores, Alabama, United States | |
| 12 | 85.51 miles (137.62 km) E | NOLF Barin (NHX) | Foley, Alabama, United States | |
| 13 | 87.67 miles (141.09 km) N | Hesler-Noble Field (LUL) | Laurel, Mississippi, United States | |
| 14 | 98.80 miles (159.01 km) WNW | McComb-Pike County Airport (MCB) | McComb, Mississippi, United States | |
| 15 | 103.26 miles (166.18 km) E | NOLF Saufley Field (NUN) | Pensacola, Florida, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,122.63 miles (17,900.10 km) SSW | Cocos (Keeling) Island Airport (CCK) | Cocos Islands, Australia | |
| 2 | 11,024.96 miles (17,742.91 km) W | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |
| 3 | 11,017.75 miles (17,731.31 km) W | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 4 | 11,006.64 miles (17,713.43 km) W | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 5 | 11,005.83 miles (17,712.11 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 6 | 11,001.17 miles (17,704.62 km) W | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 7 | 10,996.28 miles (17,696.75 km) W | Carnarvon Airport (CVQ) | Carnarvon, Western Australia, Australia | |
| 8 | 10,989.40 miles (17,685.67 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 9 | 10,981.41 miles (17,672.82 km) W | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 10 | 10,974.14 miles (17,661.12 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 11 | 10,961.66 miles (17,641.05 km) W | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 12 | 10,956.20 miles (17,632.26 km) W | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 13 | 10,954.21 miles (17,629.05 km) W | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 14 | 10,945.10 miles (17,614.39 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 15 | 10,933.19 miles (17,595.22 km) W | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 35.67 miles (57.40 km) ESE | Burnie Airport (BWT) | Burnie, Tasmania, Australia | |
| 2 | 73.94 miles (119.00 km) ESE | Devonport Airport (DPO) | Devonport, Tasmania, Australia | |
| 3 | 91.66 miles (147.51 km) NW | King Island Airport (KNS) | Currie, Tasmania, Australia | |
| 4 | 93.21 miles (150.01 km) E | George Town Aerodrome (GEE) | George Town, Tasmania, Australia | |
| 5 | 121.20 miles (195.06 km) ESE | Launceston Airport (LST) | Launceston, Tasmania, Australia | |
| 6 | 161.33 miles (259.64 km) ENE | Flinders Island Airport (FLS) | Flinders Island, Tasmania, Australia | |
| 7 | 170.12 miles (273.78 km) ESE | St Helens Airport (HLS) | St. Helens, Tasmania, Australia | |
| 8 | 184.69 miles (297.23 km) NNW | Geelong Airport (GEX) | Grovedale, Victoria, Australia | |
| 9 | 186.35 miles (299.90 km) SE | Hobart International Airport (HBA) | Hobart, Tasmania, Australia | |
| 10 | 197.55 miles (317.93 km) N | Moorabbin Harry Hawker Airport (MBW) | Moorabbin, Victoria, Australia | |
| 11 | 199.26 miles (320.67 km) NNW | Avalon Airport (AVV) | Avalon, Victoria, Australia | |
| 12 | 214.89 miles (345.83 km) N | Essendon Airport (MEB) | Melbourne, Victoria, Australia | |
| 13 | 218.83 miles (352.17 km) N | Melbourne Airport (MEL) | Melbourne, Victoria, Australia | |
| 14 | 224.73 miles (361.67 km) NW | Warrnambool Airport (WMB) | Warrnambool, Victoria, Australia | |
| 15 | 243.06 miles (391.16 km) NE | Bairnsdale Aerodrome (BSJ) | Bairnsdale, Victoria, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,220.71 miles (19,667.28 km) WNW | Corvo Airport (CVU) | Corvo Island, Azores, Portugal | |
| 2 | 12,215.46 miles (19,658.83 km) WNW | Flores Airport (FLW) | Flores Island, Azores, Portugal | |
| 3 | 12,070.45 miles (19,425.46 km) WNW | Horta International Airport (HOR) | Horta, Azores, Portugal | |
| 4 | 12,058.33 miles (19,405.95 km) WNW | Pico Airport (PIX) | Pico Island, Azores, Portugal | |
| 5 | 12,052.80 miles (19,397.06 km) WNW | Graciosa Airport (GRW) | Graciosa Island, Azores, Portugal | |
| 6 | 11,997.56 miles (19,308.15 km) WNW | Lajes Air Base (TER) | Lajes, Azores, Portugal | |
| 7 | 11,899.84 miles (19,150.89 km) WNW | João Paulo II Airport (PDL) | Ponta Delgada, Azores, Portugal | |
| 8 | 11,849.28 miles (19,069.52 km) WNW | Santa Maria Airport (SMA) | Santa Maria, Portugal | |
| 9 | 11,440.34 miles (18,411.40 km) NE | St. John's International Airport (YYT) | St. John's, Newfoundland and Labrador, Canada | |
| 10 | 11,328.58 miles (18,231.54 km) NE | Gander International Airport (YQX) | Gander, Newfoundland, Canada | |
| 11 | 11,304.72 miles (18,193.13 km) ENE | Saint-Pierre Airport (FSP) | Saint-Pierre, Saint Pierre and Miquelon, France | |
| 12 | 11,289.56 miles (18,168.75 km) ENE | Miquelon Airport (MQC) | Miquelon, Saint Pierre and Miquelon | |
| 13 | 11,289.28 miles (18,168.29 km) WNW | Madeira Airport (FNC) | Funchal, Madeira, Portugal | |
| 14 | 11,283.08 miles (18,158.32 km) WNW | Porto Santo Airport (PXO) | Porto Santo, Madeira, Portugal | |
| 15 | 11,202.50 miles (18,028.64 km) NE | Deer Lake Regional Airport (YDF) | Deer Lake, Newfoundland and Labrador, Canada | |