Nonstop flight route between Deer Lake, Newfoundland and Labrador, Canada and Sidney, Montana, United States:
Departure Airport:
(49°12'33"N by 57°23'39"W)
Arrival Airport:
(47°42'24"N by 104°11'32"W)
Distance from YDF to SDY:
2,112.34 miles (3,399.48 km)
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Jump to:
- About this route
- YDF Airport Information
- SDY Airport Information
- Facts about YDF
- Facts about SDY
- Map of Nearest Airports to YDF
- List of Nearest Airports to YDF
- Map of Furthest Airports from YDF
- List of Furthest Airports from YDF
- Map of Nearest Airports to SDY
- List of Nearest Airports to SDY
- Map of Furthest Airports from SDY
- List of Furthest Airports from SDY
About this route:
A direct, nonstop flight between Deer Lake Regional Airport (YDF), Deer Lake, Newfoundland and Labrador, Canada and Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States would travel a Great Circle distance of 2,112 miles (or 3,399 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 relatively short distance between Deer Lake Regional Airport and Sidney-Richland Municipal Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | YDF / CYDF |
| Airport Name: | Deer Lake Regional Airport |
| Location: | Deer Lake, Newfoundland and Labrador, Canada |
| GPS Coordinates: | 49°12'33"N by 57°23'39"W |
| Operator/Owner: | Deer Lake Regional Airport Authority |
| Airport Type: | Public |
| Elevation: | 72 feet (22 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from YDF |
| More Information: | YDF Maps & Info |
Arrival 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 |
Facts about Deer Lake Regional Airport (YDF):
- Deer Lake Regional Airport (YDF) currently has only 1 runway.
- The closest airport to Deer Lake Regional Airport (YDF) is Stephenville Airport (YJT), which is located 70 miles (112 kilometers) SW of YDF.
- Because of Deer Lake Regional Airport's relatively low elevation of 72 feet, planes can take off or land at Deer Lake 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 Deer Lake Regional Airport (YDF) is Albany Airport (ALH), which is located 11,421 miles (18,381 kilometers) away in Albany, Western Australia, Australia.
Facts about Sidney-Richland Municipal Airport (SDY):
- Sidney-Richland Municipal Airport (SDY) has 2 runways.
- 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.
- 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.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 69.90 miles (112.49 km) SW | Stephenville Airport (YJT) | Stephenville, Newfoundland and Labrador, Canada |     |
| 2 | 129.30 miles (208.08 km) E | Gander International Airport (YQX) | Gander, Newfoundland, Canada | |
| 3 | 132.21 miles (212.77 km) NNW | La Tabatière Airport (ZLT) | La Tabatière, Quebec, Canada | |
| 4 | 132.50 miles (213.24 km) NW | Chevery Airport (YHR) | Chevery, Quebec, Canada | |
| 5 | 134.43 miles (216.34 km) NW | Tête-à-la-Baleine Airport (ZTB) | Tête-à-la-Baleine, Quebec, Canada | |
| 6 | 149.08 miles (239.91 km) NNW | Saint-Augustin Airport (YIF) | Saint-Augustin, Quebec, Canada | |
| 7 | 153.26 miles (246.64 km) SSE | Miquelon Airport (MQC) | Miquelon, Saint Pierre and Miquelon | |
| 8 | 154.54 miles (248.71 km) N | Lourdes-de-Blanc-Sablon Airport (YBX) | Lourdes-de-Blanc-Sablon, Quebec, Canada | |
| 9 | 161.53 miles (259.96 km) NNE | St. Anthony Airport (YAY) | St. Anthony, Newfoundland and Labrador, Canada | |
| 10 | 178.18 miles (286.74 km) SSE | Saint-Pierre Airport (FSP) | Saint-Pierre, Saint Pierre and Miquelon, France | |
| 11 | 185.92 miles (299.21 km) WNW | Kégashka Airport (ZKG) | Kegaska, Quebec, Canada | |
| 12 | 207.71 miles (334.28 km) WNW | Natashquan Airport (YNA) | Natashquan, Quebec, Canada | |
| 13 | 224.17 miles (360.77 km) NNE | Mary's Harbour Airport (YMH) | Mary's Harbour, Labrador, Canada | |
| 14 | 231.12 miles (371.96 km) NNE | St. Lewis (Fox Harbour) Airport (YFX) | St. Lewis, Newfoundland and Labrador, Canada | |
| 15 | 234.35 miles (377.15 km) NNE | Port Hope Simpson Airport (YHA) | Port Hope Simpson, Newfoundland and Labrador, Canada | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,421.43 miles (18,380.97 km) SSE | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 2 | 11,363.39 miles (18,287.56 km) S | Esperance Airport (EPR) | Esperance, Australia | |
| 3 | 11,352.81 miles (18,270.54 km) SSE | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 11,335.56 miles (18,242.77 km) SSE | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 5 | 11,313.45 miles (18,207.20 km) SSE | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 6 | 11,302.57 miles (18,189.67 km) SSE | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 7 | 11,286.58 miles (18,163.94 km) SSE | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 8 | 11,238.22 miles (18,086.12 km) SW | Kingscote Airport (KGC) | Kingscote, South Australia, Australia | |
| 9 | 11,237.39 miles (18,084.79 km) WSW | Portland Airport (PTJ) | Portland, Victoria, Australia | |
| 10 | 11,234.89 miles (18,080.76 km) SW | Mount Gambier Airport (MGB) | Mount Gambier, Australia | |
| 11 | 11,213.12 miles (18,045.73 km) WSW | King Island Airport (KNS) | Currie, Tasmania, Australia | |
| 12 | 11,204.30 miles (18,031.54 km) SSE | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 13 | 11,202.50 miles (18,028.64 km) WSW | Smithton Airport (SIO) | Smithton, Tasmania, Australia | |
| 14 | 11,198.50 miles (18,022.20 km) WSW | Warrnambool Airport (WMB) | Warrnambool, Victoria, Australia | |
| 15 | 11,195.02 miles (18,016.60 km) SSE | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 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 | |