Nonstop flight route between Sidney, Montana, United States and Devonport, Tasmania, Australia:
Departure Airport:
(47°42'24"N by 104°11'32"W)
Arrival Airport:
(41°10'10"S by 146°25'49"E)
Distance from SDY to DPO:
9,045.74 miles (14,557.68 km)
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Jump to:
- About this route
- SDY Airport Information
- DPO Airport Information
- Facts about SDY
- Facts about DPO
- Map of Nearest Airports to SDY
- List of Nearest Airports to SDY
- Map of Furthest Airports from SDY
- List of Furthest Airports from SDY
- Map of Nearest Airports to DPO
- List of Nearest Airports to DPO
- Map of Furthest Airports from DPO
- List of Furthest Airports from DPO
About this route:
A direct, nonstop flight between Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States and Devonport Airport (DPO), Devonport, Tasmania, Australia would travel a Great Circle distance of 9,046 miles (or 14,558 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 Sidney-Richland Municipal Airport and Devonport 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 Sidney-Richland Municipal Airport and Devonport Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | SDY / KSDY |
| Airport Name: | Sidney-Richland Municipal Airport |
| Location: | Sidney, Montana, United States |
| GPS Coordinates: | 47°42'24"N by 104°11'32"W |
| Area Served: | Sidney, Montana |
| Operator/Owner: | Sidney Richland Airport Authority |
| Airport Type: | Public |
| Elevation: | 1985 feet (605 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from SDY |
| More Information: | SDY Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | DPO / YDPO |
| Airport Name: | Devonport Airport |
| Location: | Devonport, Tasmania, Australia |
| GPS Coordinates: | 41°10'10"S by 146°25'49"E |
| Area Served: | Devonport, Tasmania, Australia |
| Operator/Owner: | Tasmanian Ports Corporation Pty. Ltd. |
| Airport Type: | Public |
| Elevation: | 33 feet (10 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from DPO |
| More Information: | DPO Maps & Info |
Facts about Sidney-Richland Municipal Airport (SDY):
- Sidney-Richland Municipal Airport is a public use airport located one nautical mile west of the central business district of Sidney, a city in Richland County, Montana, United States.
- Sidney-Richland Municipal Airport covers an area of 335 acres at an elevation of 1,985 feet above mean sea level.
- The furthest airport from Sidney-Richland Municipal Airport (SDY) is Sir Gaëtan Duval Airport (RRG), which is located 10,383 miles (16,711 kilometers) away in Rodrigues Island, Mauritius.
- Sidney-Richland Municipal Airport (SDY) has 2 runways.
- The closest airport to Sidney-Richland Municipal Airport (SDY) is Sloulin Field International Airport (ISN), which is located 41 miles (67 kilometers) NE of SDY.
Facts about Devonport Airport (DPO):
- Devonport Airport (DPO) has 2 runways.
- The closest airport to Devonport Airport (DPO) is George Town Aerodrome (GEE), which is located 22 miles (36 kilometers) ENE of DPO.
- Because of Devonport Airport's relatively low elevation of 33 feet, planes can take off or land at Devonport 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 Devonport Airport (DPO) is Corvo Airport (CVU), which is nearly antipodal to Devonport Airport (meaning Devonport Airport is almost on the exact opposite side of the Earth from Corvo Airport), and is located 12,271 miles (19,749 kilometers) away in Corvo Island, Azores, Portugal.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 41.33 miles (66.52 km) NE | Sloulin Field International Airport (ISN) | Williston, North Dakota, United States |     |
| 2 | 48.66 miles (78.31 km) SW | Dawson Community Airport (GDV) | Glendive, Montana, United States | |
| 3 | 69.41 miles (111.70 km) WNW | L. M. Clayton Airport (OLF) | Wolf Point, Montana, United States | |
| 4 | 76.29 miles (122.77 km) NNW | Sher-Wood Airport (PWD) | Plentywood, Montana, United States | |
| 5 | 90.57 miles (145.76 km) SE | Dickinson Theodore Roosevelt Regional Airport (DIK) | Dickinson, North Dakota, United States | |
| 6 | 111.04 miles (178.70 km) SSE | Bowman Municipal Airport (BWM) | Bowman, North Dakota, United States | |
| 7 | 117.38 miles (188.91 km) WNW | Glasgow International Airport (GGW) | Glasgow, Montana, United States | |
| 8 | 118.10 miles (190.06 km) NNE | Estevan Regional Aerodrome (YEN) | Estevan, Saskatchewan, Canada | |
| 9 | 118.99 miles (191.50 km) SW | Miles City Airport (MLS) | Miles City, Montana, United States | |
| 10 | 131.42 miles (211.49 km) W | Jordan Airport (JDN) | Jordan, Montana, United States | |
| 11 | 139.74 miles (224.89 km) ENE | Minot Air Force Base (MIB) | Minot, North Dakota, United States | |
| 12 | 140.05 miles (225.38 km) ENE | Minot International Airport (MOT) | Minot, North Dakota, United States | |
| 13 | 174.07 miles (280.14 km) ESE | Bismarck Municipal Airport (BIS) | Bismarck, North Dakota, United States | |
| 14 | 189.51 miles (304.99 km) N | Regina International Airport (YQR) | Regina, Saskatchewan, Canada | |
| 15 | 191.53 miles (308.24 km) NNW | CFB Moose Jaw (YMJ) | Moose Jaw, Saskatchewan, Canada | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,383.49 miles (16,710.57 km) SSE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 10,297.57 miles (16,572.29 km) SE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 3 | 10,290.39 miles (16,560.74 km) SE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 4 | 10,266.41 miles (16,522.14 km) SE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 5 | 10,218.50 miles (16,445.05 km) SE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 6 | 10,203.17 miles (16,420.36 km) W | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 7 | 10,179.29 miles (16,381.94 km) W | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 8 | 10,169.42 miles (16,366.06 km) W | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 9 | 10,153.64 miles (16,340.65 km) W | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 10 | 10,120.11 miles (16,286.69 km) W | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 11 | 10,113.85 miles (16,276.63 km) ESE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 12 | 10,100.83 miles (16,255.67 km) WSW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 13 | 10,089.33 miles (16,237.15 km) WSW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 14 | 10,078.56 miles (16,219.83 km) WSW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 15 | 10,076.48 miles (16,216.49 km) W | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 22.21 miles (35.74 km) ENE | George Town Aerodrome (GEE) | George Town, Tasmania, Australia | |
| 2 | 38.28 miles (61.60 km) WNW | Burnie Airport (BWT) | Burnie, Tasmania, Australia | |
| 3 | 48.25 miles (77.66 km) ESE | Launceston Airport (LST) | Launceston, Tasmania, Australia | |
| 4 | 73.94 miles (119.00 km) WNW | Smithton Airport (SIO) | Smithton, Tasmania, Australia | |
| 5 | 96.86 miles (155.88 km) E | St Helens Airport (HLS) | St. Helens, Tasmania, Australia | |
| 6 | 110.74 miles (178.22 km) NE | Flinders Island Airport (FLS) | Flinders Island, Tasmania, Australia | |
| 7 | 127.82 miles (205.70 km) SSE | Hobart International Airport (HBA) | Hobart, Tasmania, Australia | |
| 8 | 161.03 miles (259.16 km) WNW | King Island Airport (KNS) | Currie, Tasmania, Australia | |
| 9 | 231.73 miles (372.93 km) NNW | Moorabbin Harry Hawker Airport (MBW) | Moorabbin, Victoria, Australia | |
| 10 | 231.97 miles (373.32 km) NNW | Geelong Airport (GEX) | Grovedale, Victoria, Australia | |
| 11 | 234.74 miles (377.77 km) NNE | Bairnsdale Aerodrome (BSJ) | Bairnsdale, Victoria, Australia | |
| 12 | 247.54 miles (398.37 km) NNW | Avalon Airport (AVV) | Avalon, Victoria, Australia | |
| 13 | 251.38 miles (404.55 km) NNW | Essendon Airport (MEB) | Melbourne, Victoria, Australia | |
| 14 | 255.98 miles (411.96 km) NNW | Melbourne Airport (MEL) | Melbourne, Victoria, Australia | |
| 15 | 288.91 miles (464.95 km) N | Mount Hotham Airport (MHU) | Mount Hotham, Victoria, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,271.20 miles (19,748.53 km) NW | Corvo Airport (CVU) | Corvo Island, Azores, Portugal | |
| 2 | 12,262.23 miles (19,734.10 km) NW | Flores Airport (FLW) | Flores Island, Azores, Portugal | |
| 3 | 12,120.96 miles (19,506.75 km) NW | Horta International Airport (HOR) | Horta, Azores, Portugal | |
| 4 | 12,110.88 miles (19,490.52 km) WNW | Graciosa Airport (GRW) | Graciosa Island, Azores, Portugal | |
| 5 | 12,110.35 miles (19,489.68 km) WNW | Pico Airport (PIX) | Pico Island, Azores, Portugal | |
| 6 | 12,055.64 miles (19,401.62 km) WNW | Lajes Air Base (TER) | Lajes, Azores, Portugal | |
| 7 | 11,954.95 miles (19,239.58 km) WNW | João Paulo II Airport (PDL) | Ponta Delgada, Azores, Portugal | |
| 8 | 11,901.46 miles (19,153.49 km) WNW | Santa Maria Airport (SMA) | Santa Maria, Portugal | |
| 9 | 11,393.88 miles (18,336.63 km) ENE | St. John's International Airport (YYT) | St. John's, Newfoundland and Labrador, Canada | |
| 10 | 11,342.94 miles (18,254.64 km) WNW | Madeira Airport (FNC) | Funchal, Madeira, Portugal | |
| 11 | 11,338.34 miles (18,247.25 km) WNW | Porto Santo Airport (PXO) | Porto Santo, Madeira, Portugal | |
| 12 | 11,285.21 miles (18,161.74 km) NE | Gander International Airport (YQX) | Gander, Newfoundland, Canada | |
| 13 | 11,253.06 miles (18,110.00 km) ENE | Saint-Pierre Airport (FSP) | Saint-Pierre, Saint Pierre and Miquelon, France | |
| 14 | 11,238.85 miles (18,087.13 km) ENE | Miquelon Airport (MQC) | Miquelon, Saint Pierre and Miquelon | |
| 15 | 11,193.97 miles (18,014.91 km) NW | La Palma Airport (SPC) | La Palma, Canary Islands, Spain | |