Nonstop flight route between Bellingham, Washington, United States and Sidney, Montana, United States:
Departure Airport:
(48°47'32"N by 122°32'14"W)
Arrival Airport:
(47°42'24"N by 104°11'32"W)
Distance from BLI to SDY:
845.28 miles (1,360.34 km)
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Jump to:
- About this route
- BLI Airport Information
- SDY Airport Information
- Facts about BLI
- Facts about SDY
- Map of Nearest Airports to BLI
- List of Nearest Airports to BLI
- Map of Furthest Airports from BLI
- List of Furthest Airports from BLI
- 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 Bellingham International Airport (BLI), Bellingham, Washington, United States and Sidney-Richland Municipal Airport (SDY), Sidney, Montana, United States would travel a Great Circle distance of 845 miles (or 1,360 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 Bellingham International 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: | BLI / KBLI |
| Airport Names: |
|
| Location: | Bellingham, Washington, United States |
| GPS Coordinates: | 48°47'32"N by 122°32'14"W |
| Area Served: | Bellingham, Washington |
| Operator/Owner: | Port of Bellingham |
| Airport Type: | Public |
| Elevation: | 170 feet (52 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from BLI |
| More Information: | BLI 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 Bellingham International Airport (BLI):
- On March 1, 2008, Allegiant Air opened up their sixth base at Bellingham International Airport.
- Bellingham International Airport has bustling general aviation activity, most of which is for the purpose of sightseeing in the San Juan Islands, Victoria in British Columbia, or the Canadian Gulf Islands.
- The closest airport to Bellingham International Airport (BLI) is Blaine Municipal Airport (BWS), which is located only 16 miles (26 kilometers) NNW of BLI.
- The furthest airport from Bellingham International Airport (BLI) is Tôlanaro Airport (FTU), which is located 10,700 miles (17,220 kilometers) away in Tôlanaro, Madagascar.
- Because of Bellingham International Airport's relatively low elevation of 170 feet, planes can take off or land at Bellingham 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.
- Bellingham International Airport (BLI) currently has only 1 runway.
- The early 21st century saw rapid expansion at the Bellingham International Airport from multiple large air carriers motivated by the potential passenger loads from lower mainland British Columbia.
- In addition to being known as "Bellingham International Airport", another name for BLI is "(Bellingham/Tulip Army Airfield)".
- The Washington Air National Guard occupies a 7.5-acre site at Bellingham International Airport.
- In 1940 the United States Army Corps of Engineers took over the facility and expanded it to three full runways, revetments for parking aircraft, and development of personnel quarters.
Facts about Sidney-Richland Municipal Airport (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.
- Sidney-Richland Municipal Airport covers an area of 335 acres at an elevation of 1,985 feet above mean sea level.
- 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.
- Sidney-Richland Municipal Airport (SDY) has 2 runways.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 16.27 miles (26.18 km) NNW | Blaine Municipal Airport (BWS) | Blaine, Washington, United States |     |
| 2 | 17.97 miles (28.92 km) WSW | Orcas Island Airport (ESD) | Eastsound, Washington, United States | |
| 3 | 17.99 miles (28.95 km) NNE | Abbotsford International Airport (YXX) | Abbotsford, British Columbia, Canada | |
| 4 | 18.17 miles (29.24 km) SW | Rosario Seaplane Base (RSJ) | Orcas Island, Washington, United States | |
| 5 | 21.07 miles (33.91 km) SSW | Anacortes Airport (OTS) | Anacortes, Washington, United States | |
| 6 | 22.60 miles (36.36 km) WSW | Westsound Seaplane Base (WSX) | Westsound, Orcas Island, Washington, United States | |
| 7 | 22.85 miles (36.78 km) SSE | Skagit Regional Airport (MVW) | Burlington / Mount Vernon, Washington, United States | |
| 8 | 24.84 miles (39.98 km) SSW | Center Island Airport (CWS) | Center Island, Washington, United States | |
| 9 | 25.80 miles (41.52 km) SW | Fishermans Bay/LPS Seaplane Base (LPS) | Lopez Island, Washington, United States | |
| 10 | 27.85 miles (44.82 km) SW | Friday Harbor Seaplane Base (FBS) | Friday Harbor, Washington, United States | |
| 11 | 28.88 miles (46.47 km) NW | Boundary Bay Airport (YDT) | Delta, British Columbia, Canada | |
| 12 | 29.04 miles (46.74 km) SW | Friday Harbor Airport (FRD) | Friday Harbor, Washington, United States | |
| 13 | 30.33 miles (48.81 km) NNW | Pitt Meadows Regional Airport (YPK) | Pitt Meadows, British Columbia, Canada | |
| 14 | 30.92 miles (49.76 km) S | NAS Whidbey Island (NUW) | Oak Harbor, Washington, United States | |
| 15 | 31.10 miles (50.06 km) WSW | Roche Harbor Seaplane Base (RCE) | San Juan Island, Washington, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,699.80 miles (17,219.61 km) SSE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 2 | 10,634.78 miles (17,114.98 km) SSE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 3 | 10,563.80 miles (17,000.75 km) ESE | East London Airport (ELS) | East London, South Africa | |
| 4 | 10,555.95 miles (16,988.12 km) ESE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 5 | 10,549.29 miles (16,977.39 km) ESE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 6 | 10,535.42 miles (16,955.08 km) S | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 7 | 10,525.14 miles (16,938.53 km) ESE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 8 | 10,519.49 miles (16,929.43 km) SE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 9 | 10,515.56 miles (16,923.11 km) ESE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 10 | 10,508.33 miles (16,911.47 km) SE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 11 | 10,505.92 miles (16,907.60 km) S | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 12 | 10,494.14 miles (16,888.64 km) ESE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 13 | 10,477.10 miles (16,861.22 km) S | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 14 | 10,474.33 miles (16,856.75 km) SE | Hluhluwe Airport (HLW) | Hluhluwe, South Africa | |
| 15 | 10,465.35 miles (16,842.31 km) SSE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |
| 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 | |