Nonstop flight route between Chatham, Alaska, United States and Stewart Island, New Zealand:
Departure Airport:
(57°30'54"N by 134°56'45"W)
Arrival Airport:
(46°53'58"S by 168°6'6"E)
Distance from CYM to SZS:
7,915.95 miles (12,739.45 km)
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- About this route
- CYM Airport Information
- SZS Airport Information
- Facts about CYM
- Facts about SZS
- Map of Nearest Airports to CYM
- List of Nearest Airports to CYM
- Map of Furthest Airports from CYM
- List of Furthest Airports from CYM
- Map of Nearest Airports to SZS
- List of Nearest Airports to SZS
- Map of Furthest Airports from SZS
- List of Furthest Airports from SZS
About this route:
A direct, nonstop flight between Chatham Seaplane Base (CYM), Chatham, Alaska, United States and Ryan's Creek Aerodrome (SZS), Stewart Island, New Zealand would travel a Great Circle distance of 7,916 miles (or 12,739 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 Chatham Seaplane Base and Ryan's Creek Aerodrome, 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 Chatham Seaplane Base and Ryan's Creek Aerodrome. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | CYM / |
| Airport Name: | Chatham Seaplane Base |
| Location: | Chatham, Alaska, United States |
| GPS Coordinates: | 57°30'54"N by 134°56'45"W |
| Area Served: | Chatham, Alaska |
| Operator/Owner: | Chatham Cannery Ltd. |
| Airport Type: | Public use |
| Elevation: | 0 feet (0 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from CYM |
| More Information: | CYM Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | SZS / NZRC |
| Airport Name: | Ryan's Creek Aerodrome |
| Location: | Stewart Island, New Zealand |
| GPS Coordinates: | 46°53'58"S by 168°6'6"E |
| Operator/Owner: | South East Air |
| Airport Type: | Public |
| Elevation: | 288 feet (88 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from SZS |
| More Information: | SZS Maps & Info |
Facts about Chatham Seaplane Base (CYM):
- Chatham Seaplane Base (CYM) currently has only 1 runway.
- The furthest airport from Chatham Seaplane Base (CYM) is Port Alfred Airport (AFD), which is located 10,576 miles (17,020 kilometers) away in Port Alfred, South Africa.
- Because of Chatham Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Chatham Seaplane Base 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 Chatham Seaplane Base (CYM) is Angoon Seaplane Base (AGN), which is located only 13 miles (22 kilometers) E of CYM.
Facts about Ryan's Creek Aerodrome (SZS):
- Ryan's Creek Aerodrome (SZS) currently has only 1 runway.
- Because of Ryan's Creek Aerodrome's relatively low elevation of 288 feet, planes can take off or land at Ryan's Creek Aerodrome 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 Ryan's Creek Aerodrome (SZS) is A Coruña Airport (LCG), which is nearly antipodal to Ryan's Creek Aerodrome (meaning Ryan's Creek Aerodrome is almost on the exact opposite side of the Earth from A Coruña Airport), and is located 12,135 miles (19,529 kilometers) away in A Coruña, Spain.
- In 1990 a hill at one end of the strip was leveled.
- The closest airport to Ryan's Creek Aerodrome (SZS) is Invercargill Airport (IVC), which is located 35 miles (57 kilometers) NNE of SZS.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 13.43 miles (21.61 km) E | Angoon Seaplane Base (AGN) | Angoon, Alaska, United States |     |
| 2 | 35.85 miles (57.70 km) SSW | Sitka Rocky Gutierrez Airport (SIT) | Sitka, Alaska, United States | |
| 3 | 43.63 miles (70.21 km) NNW | Hoonah Airport (HNH) | Hoonah, Alaska, United States | |
| 4 | 51.12 miles (82.27 km) N | Funter Bay Seaplane Base (FNR) | Funter Bay, Alaska, United States | |
| 5 | 54.43 miles (87.60 km) SE | Kake Airport (KAE) | Kake, Alaska, United States | |
| 6 | 59.60 miles (95.92 km) NNE | Juneau International Airport (JNU) | Juneau, Alaska, United States | |
| 7 | 65.23 miles (104.97 km) NNW | Excursion Inlet Seaplane Base (EXI) | Excursion Inlet, Alaska, United States | |
| 8 | 68.80 miles (110.73 km) NNW | Gustavus Airport (GST) | Gustavus, Alaska, United States | |
| 9 | 69.74 miles (112.23 km) NW | Elfin Cove Seaplane Base (ELV) | Elfin Cove, Alaska, United States | |
| 10 | 88.33 miles (142.16 km) S | Port Alexander Seaplane Base (PTD) | Port Alexander, Alaska, United States | |
| 11 | 89.70 miles (144.36 km) ESE | Petersburg James A. Johnson Airport (PSG) | Petersburg, Alaska, United States | |
| 12 | 94.59 miles (152.22 km) SSE | Point Baker Seaplane Base (KPB) | Point Baker, Alaska, United States | |
| 13 | 96.20 miles (154.81 km) SSE | Port Protection Seaplane Base (PPV) | Port Protection, Alaska, United States | |
| 14 | 118.73 miles (191.07 km) SE | North Whale Seaplane Base (WWP) | North Whale Pass, Alaska, United States | |
| 15 | 120.28 miles (193.57 km) SE | Wrangell Airport (WRG) | Wrangell, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,575.54 miles (17,019.64 km) SE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 2 | 10,575.16 miles (17,019.03 km) SE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 3 | 10,561.60 miles (16,997.21 km) SSE | East London Airport (ELS) | East London, South Africa | |
| 4 | 10,499.21 miles (16,896.80 km) SE | George Airport (GRJ) | George, South Africa | |
| 5 | 10,481.31 miles (16,868.00 km) SSE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 6 | 10,465.89 miles (16,843.18 km) SSE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 7 | 10,396.45 miles (16,731.42 km) SE | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 8 | 10,395.83 miles (16,730.42 km) SSE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 9 | 10,386.37 miles (16,715.20 km) SSE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 10 | 10,372.26 miles (16,692.49 km) SSE | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 11 | 10,357.88 miles (16,669.36 km) SSE | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 12 | 10,357.79 miles (16,669.21 km) SSE | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 13 | 10,352.15 miles (16,660.12 km) SSE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 14 | 10,339.72 miles (16,640.12 km) SSE | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |
| 15 | 10,339.57 miles (16,639.89 km) SSE | Mokhotlong Airport (MKH) | Mokhotlong, Lesotho | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 35.14 miles (56.55 km) NNE | Invercargill Airport (IVC) | Invercargill, New Zealand | |
| 2 | 120.34 miles (193.66 km) ENE | Dunedin International Airport (DUD) | Dunedin, Otago, New Zealand | |
| 3 | 131.60 miles (211.80 km) NNE | Alexandra Aerodrome (ALR) | Alexandra, New Zealand | |
| 4 | 133.36 miles (214.62 km) NNE | Queenstown Airport (ZQN) | Queenstown, New Zealand | |
| 5 | 154.07 miles (247.95 km) N | Milford Sound Airport (MFN) | Milford Sound, New Zealand | |
| 6 | 160.20 miles (257.82 km) NNE | Wanaka Airport (WKA) | Wanaka, New Zealand | |
| 7 | 195.63 miles (314.84 km) NE | Oamaru Airport (OAM) | Oamaru, North Otago, New Zealand | |
| 8 | 228.96 miles (368.47 km) NNE | Glentanner Aerodrome (GTN) | Mount Cook, New Zealand | |
| 9 | 234.47 miles (377.35 km) NE | Richard Pearse Airport (Timaru Airport) (TIU) | Timaru, New Zealand | |
| 10 | 237.92 miles (382.90 km) NNE | Mount Cook Airport (MON) | Mount Cook, New Zealand | |
| 11 | 255.21 miles (410.72 km) NNE | Fox Glacier Aerodrome (FGL) | Fox Glacier, New Zealand | |
| 12 | 273.79 miles (440.61 km) NE | Ashburton Aerodrome (ASG) | Ashburton, New Zealand | |
| 13 | 319.36 miles (513.96 km) NE | Christchurch International Airport (CHC) | Christchurch, New Zealand | |
| 14 | 321.87 miles (518.00 km) NNE | Hokitika Airport (HKK) | Hokitika, New Zealand | |
| 15 | 342.05 miles (550.48 km) NNE | Greymouth Airport (GMN) | Greymouth, New Zealand | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,134.74 miles (19,528.92 km) NW | A Coruña Airport (LCG) | A Coruña, Spain | |
| 2 | 12,111.96 miles (19,492.27 km) NNW | Santiago de Compostela Airport (SCQ) | Santiago de Compostela, Spain | |
| 3 | 12,106.13 miles (19,482.88 km) NW | Tresco Heliport (TSO) | Tresco, Isles of Scilly, United Kingdom | |
| 4 | 12,106.07 miles (19,482.77 km) NW | St Mary's Airport (ISC) | St Mary's, Isles of Scilly, United Kingdom | |
| 5 | 12,089.84 miles (19,456.66 km) NNW | Bantry Aerodrome (BYT) | Bantry, County Cork, Ireland | |
| 6 | 12,076.24 miles (19,434.78 km) NNW | Vigo Airport (VGO) | Vigo, Galicia, Spain | |
| 7 | 12,076.07 miles (19,434.51 km) NW | Land's End Airport (LEQ) | Land's End, Cornwall, England, United Kingdom | |
| 8 | 12,073.07 miles (19,429.67 km) WNW | Brest Bretagne Airport (BES) | Brest, France | |
| 9 | 12,070.18 miles (19,425.03 km) NW | Asturias Airport (OVD) | Oviedo, Asturias, Spain | |
| 10 | 12,068.12 miles (19,421.72 km) WNW | Quimper - Cornouaille Airport (UIP) | Quimper, France | |
| 11 | 12,062.63 miles (19,412.88 km) NNW | Cork Airport (ORK) | Cork, Ireland | |
| 12 | 12,056.75 miles (19,403.41 km) NNW | Kerry Airport (KIR) | Tralee, County Kerry, Ireland | |
| 13 | 12,043.61 miles (19,382.27 km) WNW | Morlaix - Ploujean Airport (MXN) | Morlaix, France | |
| 14 | 12,038.24 miles (19,373.62 km) NW | Newquay Cornwall Airport (NQY) | Newquay, England, United Kingdom | |
| 15 | 12,036.47 miles (19,370.77 km) WNW | Lorient South Brittany Airport (LRT) | Lorient, France | |