Nonstop flight route between Petersburg, Alaska, United States and St. Thomas, Ontario, Canada:
Departure Airport:
(56°48'5"N by 132°56'45"W)
Arrival Airport:
(42°46'12"N by 81°6'34"W)
Distance from PSG to YQS:
2,435.93 miles (3,920.24 km)
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Jump to:
- About this route
- PSG Airport Information
- YQS Airport Information
- Facts about PSG
- Facts about YQS
- Map of Nearest Airports to PSG
- List of Nearest Airports to PSG
- Map of Furthest Airports from PSG
- List of Furthest Airports from PSG
- Map of Nearest Airports to YQS
- List of Nearest Airports to YQS
- Map of Furthest Airports from YQS
- List of Furthest Airports from YQS
About this route:
A direct, nonstop flight between Petersburg James A. Johnson Airport (PSG), Petersburg, Alaska, United States and St. Thomas Municipal Airport (YQS), St. Thomas, Ontario, Canada would travel a Great Circle distance of 2,436 miles (or 3,920 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 Petersburg James A. Johnson Airport and St. Thomas Municipal Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | PSG / PAPG |
| Airport Name: | Petersburg James A. Johnson Airport |
| Location: | Petersburg, Alaska, United States |
| GPS Coordinates: | 56°48'5"N by 132°56'45"W |
| Area Served: | Petersburg, Alaska |
| Airport Type: | Public |
| Elevation: | 113 feet (34 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from PSG |
| More Information: | PSG Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | YQS / CYQS |
| Airport Name: | St. Thomas Municipal Airport |
| Location: | St. Thomas, Ontario, Canada |
| GPS Coordinates: | 42°46'12"N by 81°6'34"W |
| Operator/Owner: | Municipality of St. Thomas |
| Airport Type: | Public |
| Elevation: | 779 feet (237 meters) |
| # of Runways: | 3 |
| View all routes: | Routes from YQS |
| More Information: | YQS Maps & Info |
Facts about Petersburg James A. Johnson Airport (PSG):
- Because of Petersburg James A. Johnson Airport's relatively low elevation of 113 feet, planes can take off or land at Petersburg James A. Johnson 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 Petersburg James A. Johnson Airport (PSG) is Wrangell Airport (WRG), which is located 31 miles (50 kilometers) SE of PSG.
- The furthest airport from Petersburg James A. Johnson Airport (PSG) is Port Alfred Airport (AFD), which is located 10,570 miles (17,010 kilometers) away in Port Alfred, South Africa.
- Petersburg James A. Johnson Airport (PSG) currently has only 1 runway.
Facts about St. Thomas Municipal Airport (YQS):
- The airport is in uncontrolled airspace but has a UNICOM operating during working hours on 122.70 MHz.
- The furthest airport from St. Thomas Municipal Airport (YQS) is Margaret River Airport (MGV), which is located 11,370 miles (18,298 kilometers) away in Margaret River, Western Australia, Australia.
- St. Thomas Municipal Airport (YQS) has 3 runways.
- The closest airport to St. Thomas Municipal Airport (YQS) is London international Airport (YXU), which is located only 18 miles (29 kilometers) N of YQS.
- Because of St. Thomas Municipal Airport's relatively low elevation of 779 feet, planes can take off or land at St. Thomas Municipal 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.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 30.97 miles (49.84 km) SE | Wrangell Airport (WRG) | Wrangell, Alaska, United States |     |
| 2 | 38.04 miles (61.22 km) WNW | Kake Airport (KAE) | Kake, Alaska, United States | |
| 3 | 40.34 miles (64.91 km) SW | Point Baker Seaplane Base (KPB) | Point Baker, Alaska, United States | |
| 4 | 41.29 miles (66.44 km) SW | Port Protection Seaplane Base (PPV) | Port Protection, Alaska, United States | |
| 5 | 47.80 miles (76.93 km) S | North Whale Seaplane Base (WWP) | North Whale Pass, Alaska, United States | |
| 6 | 54.52 miles (87.75 km) S | Coffman Cove Seaplane Base (KCC) | Coffman Cove, Alaska, United States | |
| 7 | 61.46 miles (98.91 km) SSW | Tokeen Seaplane Base (TKI) | Tokeen, Alaska, United States | |
| 8 | 66.63 miles (107.24 km) S | Naukati Bay Seaplane Base (WNC) | Tuxekan Island, Alaska, United States | |
| 9 | 70.93 miles (114.14 km) E | Bronson Creek Airport (YBM) | Bronson Creek, British Columbia, Canada | |
| 10 | 75.33 miles (121.23 km) WSW | Port Alexander Seaplane Base (PTD) | Port Alexander, Alaska, United States | |
| 11 | 78.27 miles (125.96 km) NW | Angoon Seaplane Base (AGN) | Angoon, Alaska, United States | |
| 12 | 78.51 miles (126.35 km) SSE | Thorne Bay Seaplane Base (KTB) | Thorne Bay, Alaska, United States | |
| 13 | 84.59 miles (136.14 km) S | Klawock Airport (KLW) | Klawock, Alaska, United States | |
| 14 | 89.70 miles (144.36 km) NW | Chatham Seaplane Base (CYM) | Chatham, Alaska, United States | |
| 15 | 91.42 miles (147.12 km) S | Hollis Clark Bay Seaplane Base (HYL) | Hollis, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,569.61 miles (17,010.10 km) SE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 2 | 10,565.32 miles (17,003.20 km) SE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 3 | 10,558.86 miles (16,992.79 km) SE | East London Airport (ELS) | East London, South Africa | |
| 4 | 10,482.62 miles (16,870.11 km) SE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 5 | 10,481.31 miles (16,868.00 km) SE | George Airport (GRJ) | George, South Africa | |
| 6 | 10,472.38 miles (16,853.62 km) SSE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 7 | 10,405.53 miles (16,746.04 km) SSE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 8 | 10,394.18 miles (16,727.77 km) SSE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 9 | 10,375.30 miles (16,697.39 km) SSE | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 10 | 10,370.00 miles (16,688.85 km) SE | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 11 | 10,365.18 miles (16,681.10 km) SSE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 12 | 10,360.30 miles (16,673.24 km) SE | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 13 | 10,359.36 miles (16,671.74 km) SE | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 14 | 10,344.29 miles (16,647.49 km) SSE | Mokhotlong Airport (MKH) | Mokhotlong, Lesotho | |
| 15 | 10,339.25 miles (16,639.37 km) SE | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 18.30 miles (29.44 km) N | London international Airport (YXU) | London, Ontario, Canada | |
| 2 | 40.89 miles (65.80 km) NNW | Centralia/James T. Field Memorial Aerodrome (YCE) | Centralia, Ontario, Canada | |
| 3 | 58.96 miles (94.88 km) WSW | Chatham-Kent Airport (XCM) | Chatham-Kent, Ontario, Canada | |
| 4 | 60.32 miles (97.07 km) NE | Region of Waterloo International Airport (YKF) | Waterloo Regional Municipality, Ontario, Canada | |
| 5 | 62.78 miles (101.03 km) WNW | Sarnia (Chris Hadfield) Airport (YZR) | Sarnia, Ontario, Canada | |
| 6 | 65.61 miles (105.59 km) ENE | John C. Munro Hamilton International Airport (YHM) | Hamilton, Ontario, Canada | |
| 7 | 67.28 miles (108.28 km) SE | Erie International Airport (ERI) | Erie, Pennsylvania, United States | |
| 8 | 71.73 miles (115.44 km) SSE | Northeast Ohio Regional Airport (JFN) | Ashtabula, Ohio, United States | |
| 9 | 72.55 miles (116.76 km) W | St. Clair County International Airport (PHN) | Port Huron, Michigan, United States | |
| 10 | 76.40 miles (122.95 km) S | Willoughby Lost Nation Municipal Airport (LNN) | Willoughby, Ohio, United States | |
| 11 | 85.46 miles (137.54 km) SSW | Cuyahoga County Airport (CGF) | Cleveland, Ohio, United States | |
| 12 | 88.36 miles (142.20 km) W | Selfridge Air National Guard Base (MTC) | Mount Clemens, Michigan, United States | |
| 13 | 91.32 miles (146.96 km) SSE | Port Meadville Airport (MEJ) | Meadville, Pennsylvania, United States | |
| 14 | 91.39 miles (147.08 km) SSW | Cleveland Burke Lakefront Airport (BKL) | Cleveland, Ohio, United States | |
| 15 | 95.35 miles (153.46 km) E | Chautauqua County/Dunkirk Airport (DKK) | Dunkirk, New York, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,369.97 miles (18,298.15 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 11,345.99 miles (18,259.55 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 11,337.84 miles (18,246.44 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 11,320.03 miles (18,217.78 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 5 | 11,287.85 miles (18,165.99 km) WSW | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 6 | 11,262.27 miles (18,124.83 km) SW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 7 | 11,252.14 miles (18,108.52 km) WSW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 8 | 11,245.11 miles (18,097.21 km) WSW | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 9 | 11,241.02 miles (18,090.62 km) WSW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 10 | 11,197.08 miles (18,019.91 km) SW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 11,130.47 miles (17,912.72 km) SW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 12 | 11,101.59 miles (17,866.23 km) SW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 13 | 11,085.72 miles (17,840.69 km) SW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 14 | 11,082.48 miles (17,835.48 km) SW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 11,048.96 miles (17,781.54 km) WSW | Esperance Airport (EPR) | Esperance, Australia | |