Nonstop flight route between Sidney, Montana, United States and Deniliquin, New South Wales, Australia:
Departure Airport:
(47°42'24"N by 104°11'32"W)
Arrival Airport:
(35°33'36"S by 144°56'48"E)
Distance from SDY to DNQ:
8,891.70 miles (14,309.77 km)
Share this route:
Jump to:
- About this route
- SDY Airport Information
- DNQ Airport Information
- Facts about SDY
- Facts about DNQ
- 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 DNQ
- List of Nearest Airports to DNQ
- Map of Furthest Airports from DNQ
- List of Furthest Airports from DNQ
About this route:
A direct, nonstop flight between Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States and Deniliquin Airport (DNQ), Deniliquin, New South Wales, Australia would travel a Great Circle distance of 8,892 miles (or 14,310 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 Deniliquin 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 Deniliquin 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: | DNQ / YDLQ |
| Airport Name: | Deniliquin Airport |
| Location: | Deniliquin, New South Wales, Australia |
| GPS Coordinates: | 35°33'36"S by 144°56'48"E |
| Operator/Owner: | Deniliquin Council |
| Airport Type: | Public |
| Elevation: | 316 feet (96 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from DNQ |
| More Information: | DNQ Maps & Info |
Facts about Sidney-Richland Municipal Airport (SDY):
- Scheduled air service temporarily ceased on March 8, 2008, when Big Sky Airlines ended operations in bankruptcy.
- 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.
- 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.
Facts about Deniliquin Airport (DNQ):
- Because of Deniliquin Airport's relatively low elevation of 316 feet, planes can take off or land at Deniliquin 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.
- Deniliquin Airport (DNQ) has 2 runways.
- The closest airport to Deniliquin Airport (DNQ) is Echuca Airport (ECH), which is located 43 miles (68 kilometers) SSW of DNQ.
- The furthest airport from Deniliquin Airport (DNQ) is Flores Airport (FLW), which is nearly antipodal to Deniliquin Airport (meaning Deniliquin Airport is almost on the exact opposite side of the Earth from Flores Airport), and is located 12,092 miles (19,461 kilometers) away in Flores 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 | 42.54 miles (68.46 km) SSW | Echuca Airport (ECH) | Echuca, Victoria, Australia | |
| 2 | 58.05 miles (93.42 km) WSW | Kerang Airport (KRA) | Kerang, Victoria, Australia | |
| 3 | 65.00 miles (104.61 km) SSE | Shepparton Airport (SHT) | Shepparton, Victoria, Australia | |
| 4 | 71.38 miles (114.87 km) N | Hay Airport (HXX) | Hay, New South Wales, Australia | |
| 5 | 84.18 miles (135.47 km) ESE | Corowa Airport (CWW) | Corowa, New South Wales, Australia | |
| 6 | 88.46 miles (142.37 km) SSW | Bendigo Airport (BXG) | Bendigo, Victoria, Australia | |
| 7 | 90.55 miles (145.73 km) SE | Benalla Airport (BLN) | Benalla, Victoria, Australia | |
| 8 | 100.86 miles (162.31 km) NW | Balranald Airport (BZD) | Balranald, New South Wales, Australia | |
| 9 | 110.45 miles (177.75 km) NE | Griffith Airport (GFF) | Griffith, New South Wales, Australia | |
| 10 | 118.05 miles (189.99 km) ESE | Albury Airport (ABX) | Albury, New South Wales, Australia | |
| 11 | 144.57 miles (232.66 km) E | Wagga Wagga Airport (WGA) | Wagga Wagga, New South Wales, Australia | |
| 12 | 145.64 miles (234.39 km) W | Hopetoun Airport (HTU) | Hopetoun, Victoria, Australia | |
| 13 | 146.13 miles (235.17 km) S | Melbourne Airport (MEL) | Melbourne, Victoria, Australia | |
| 14 | 149.82 miles (241.11 km) S | Essendon Airport (MEB) | Melbourne, Victoria, Australia | |
| 15 | 162.69 miles (261.82 km) SW | Ararat Airport (ARY) | Ararat, Victoria, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,092.31 miles (19,460.64 km) NW | Flores Airport (FLW) | Flores Island, Azores, Portugal | |
| 2 | 12,080.25 miles (19,441.24 km) NW | Corvo Airport (CVU) | Corvo Island, Azores, Portugal | |
| 3 | 12,032.01 miles (19,363.60 km) WNW | Horta International Airport (HOR) | Horta, Azores, Portugal | |
| 4 | 12,017.77 miles (19,340.68 km) WNW | Pico Airport (PIX) | Pico Island, Azores, Portugal | |
| 5 | 11,980.36 miles (19,280.47 km) NW | Graciosa Airport (GRW) | Graciosa Island, Azores, Portugal | |
| 6 | 11,945.96 miles (19,225.11 km) WNW | Lajes Air Base (TER) | Lajes, Azores, Portugal | |
| 7 | 11,897.00 miles (19,146.33 km) WNW | João Paulo II Airport (PDL) | Ponta Delgada, Azores, Portugal | |
| 8 | 11,877.95 miles (19,115.66 km) WNW | Santa Maria Airport (SMA) | Santa Maria, Portugal | |
| 9 | 11,374.59 miles (18,305.58 km) W | Madeira Airport (FNC) | Funchal, Madeira, Portugal | |
| 10 | 11,357.36 miles (18,277.86 km) W | Porto Santo Airport (PXO) | Porto Santo, Madeira, Portugal | |
| 11 | 11,318.87 miles (18,215.91 km) WNW | La Palma Airport (SPC) | La Palma, Canary Islands, Spain | |
| 12 | 11,269.65 miles (18,136.70 km) WNW | La Gomera Airport (GMZ) | Alajeró / San Sebastián, Canary Islands, Spain | |
| 13 | 11,239.18 miles (18,087.66 km) WNW | Tenerife North Airport (TFN) | Tenerife, Canary Islands, Spain | |
| 14 | 11,236.46 miles (18,083.28 km) WNW | Tenerife-South Airport (TFS) | Tenerife, Canary Islands, Spain | |
| 15 | 11,204.99 miles (18,032.63 km) NE | St. John's International Airport (YYT) | St. John's, Newfoundland and Labrador, Canada | |