Nonstop flight route between Xi'an, Shaanxi, China and Metlakatla, Annette Island, Alaska, United States:
Departure Airport:
(34°22'36"N by 109°7'12"E)
Arrival Airport:
(55°7'51"N by 131°34'41"W)
Distance from SIA to MTM:
5,290.18 miles (8,513.70 km)
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- About this route
- SIA Airport Information
- MTM Airport Information
- Facts about SIA
- Facts about MTM
- Map of Nearest Airports to SIA
- List of Nearest Airports to SIA
- Map of Furthest Airports from SIA
- List of Furthest Airports from SIA
- Map of Nearest Airports to MTM
- List of Nearest Airports to MTM
- Map of Furthest Airports from MTM
- List of Furthest Airports from MTM
About this route:
A direct, nonstop flight between Xi'an Xiguan Airport (SIA), Xi'an, Shaanxi, China and Metlakatla Seaplane Base (MTM), Metlakatla, Annette Island, Alaska, United States would travel a Great Circle distance of 5,290 miles (or 8,514 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 Xi'an Xiguan Airport and Metlakatla Seaplane Base, 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 Xi'an Xiguan Airport and Metlakatla Seaplane Base. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | SIA / ZLSN |
| Airport Names: |
|
| Location: | Xi'an, Shaanxi, China |
| GPS Coordinates: | 34°22'36"N by 109°7'12"E |
| Area Served: | Xi'an |
| Airport Type: | Public (defunct) |
| # of Runways: | 1 |
| View all routes: | Routes from SIA |
| More Information: | SIA Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | MTM / PAMM |
| Airport Name: | Metlakatla Seaplane Base |
| Location: | Metlakatla, Annette Island, Alaska, United States |
| GPS Coordinates: | 55°7'51"N by 131°34'41"W |
| Area Served: | Metlakatla, Alaska |
| Operator/Owner: | Alaska DOT&PF - Southeast Region |
| Airport Type: | Public |
| Elevation: | 0 feet (0 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from MTM |
| More Information: | MTM Maps & Info |
Facts about Xi'an Xiguan Airport (SIA):
- Xi'an Xiguan Airport (SIA) currently has only 1 runway.
- In addition to being known as "Xi'an Xiguan Airport", other names for SIA include "西安西关机场" and "Xī'ān Xīguān Jīchǎng".
- The furthest airport from Xi'an Xiguan Airport (SIA) is La Unión Airport (LUI), which is nearly antipodal to Xi'an Xiguan Airport (meaning Xi'an Xiguan Airport is almost on the exact opposite side of the Earth from La Unión Airport), and is located 12,392 miles (19,943 kilometers) away in La Unión, Honduras[disambiguation needed].
- The closest airport to Xi'an Xiguan Airport (SIA) is Xi'an Xianyang International Airport (XIY), which is located 22 miles (35 kilometers) WNW of SIA.
Facts about Metlakatla Seaplane Base (MTM):
- Metlakatla Seaplane Base (MTM) has 2 runways.
- The closest airport to Metlakatla Seaplane Base (MTM) is Annette Island Airport (ANN), which is located only 6 miles (10 kilometers) S of MTM.
- The furthest airport from Metlakatla Seaplane Base (MTM) is Port Alfred Airport (AFD), which is located 10,621 miles (17,093 kilometers) away in Port Alfred, South Africa.
- Because of Metlakatla Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Metlakatla 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.
- Metlakatla Seaplane Base has two seaplane landing areas designated E/W and N/S, each measuring 5,000 by 5,000 feet.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 21.57 miles (34.71 km) WNW | Xi'an Xianyang International Airport (XIY) | Xianyang, Shaanxi, China |     |
| 2 | 115.80 miles (186.36 km) S | Ankang Wulipu Airport (AKA) | Ankang, Shaanxi, China | |
| 3 | 120.38 miles (193.73 km) ENE | Yuncheng Guangong Airport (YCU) | Yuncheng, China | |
| 4 | 130.48 miles (209.98 km) NW | Qingyang Airport (IQN) | Qingyang, Gansu, China | |
| 5 | 151.52 miles (243.85 km) SW | Hanzhong Xiguan Airport (HZG) | Hanzhong, Shaanxi, China | |
| 6 | 158.06 miles (254.38 km) N | Yan'an Airport (ENY) | Yan'an, Shaanxi, China | |
| 7 | 187.66 miles (302.01 km) E | Luoyang Beijiao Airport (LYA) | Luoyang, Henan, China | |
| 8 | 202.24 miles (325.47 km) SSE | Shennongjia Hongping Airport (HPG) | Shennongjia, Hubei, China | |
| 9 | 222.89 miles (358.71 km) ESE | Nanyang Jiangying Airport (NNY) | Nanyang, Henan, China | |
| 10 | 239.18 miles (384.93 km) SE | Xiangyang Liuji Airport (XFN) | Xiangfan, Hubei, China | |
| 11 | 240.20 miles (386.56 km) SW | Guangyuan Airport (GYS) | Guangyuan, Sichuan, China | |
| 12 | 244.79 miles (393.96 km) SSW | Dazhou Heshi Airport (DAX) | Dazhou, Sichuan, China | |
| 13 | 250.50 miles (403.15 km) S | Wanzhou Wuqiao Airport (WXN) | Wanzhou, Chongqing, China | |
| 14 | 254.88 miles (410.19 km) NNE | Lüliang Airport (LLV) | Lüliang, Shanxi, China | |
| 15 | 260.20 miles (418.75 km) ENE | Changzhi Wangcun Airport (CIH) | Changzhi, Shanxi, China | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,392.06 miles (19,943.05 km) E | La Unión Airport (LUI) | La Unión, Honduras[disambiguation needed] | |
| 2 | 12,368.60 miles (19,905.29 km) S | Comodoro Arturo Merino Benítez International Airport (SCL) | Santiago, Chile | |
| 3 | 12,332.37 miles (19,846.98 km) SSE | Viña del Mar Airport (KNA) | Viña del Mar, Chile | |
| 4 | 12,329.92 miles (19,843.03 km) SW | Comodoro D. Ricardo Salomón Airport (LGS) | Malargüe, Mendoza, Argentina | |
| 5 | 12,295.01 miles (19,786.85 km) W | San Rafael Airport (AFA) | San Rafael, Mendoza, Argentina | |
| 6 | 12,276.11 miles (19,756.44 km) SW | Governor Francisco Gabrielli International Airport (MDZ) | Mendoza, Mendoza Province, Argentina | |
| 7 | 12,271.20 miles (19,748.53 km) SSE | General Bernardo O'Higgins Airport (YAI) | Chillán, Ñuble, Chile | |
| 8 | 12,230.77 miles (19,683.46 km) SE | Carriel Sur International Airport (CCP) | Concepción, Bío Bío Region, Chile | |
| 9 | 12,221.65 miles (19,668.79 km) S | Chos Malal Airport (HOS) | Chos Malal, Neuquén, Argentina | |
| 10 | 12,199.13 miles (19,632.55 km) SW | Domingo Faustino Sarmiento Airport (UAQ) | San Juan Province, Argentina | |
| 11 | 12,196.62 miles (19,628.50 km) S | Caviahue Airport (CVH) | Caviahue, Neuquén, Argentina | |
| 12 | 12,165.96 miles (19,579.17 km) WSW | Brigadier Mayor Cesar Raúl Ojeda Airport (LUQ) | San Luis, Argentina | |
| 13 | 12,157.27 miles (19,565.18 km) SSE | Victoria Airport (ZIC) | Victoria, Araucanía, Chile | |
| 14 | 12,139.41 miles (19,536.44 km) SW | Colonia Catriel Airport (CCT) | Colonia Catriel, Río Negro, Argentina | |
| 15 | 12,128.04 miles (19,518.14 km) S | La Florida Airport (LSC) | La Serena, Chile | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 6.13 miles (9.86 km) S | Annette Island Airport (ANN) | Annette Island, Alaska, United States | |
| 2 | 15.12 miles (24.33 km) NNW | Ketchikan Harbor Seaplane Base (WFB) | Ketchikan, Alaska, United States | |
| 3 | 16.28 miles (26.20 km) NNW | Ketchikan International Airport (KTN) | Ketchikan, Alaska, United States | |
| 4 | 48.03 miles (77.30 km) WNW | Hollis Clark Bay Seaplane Base (HYL) | Hollis, Alaska, United States | |
| 5 | 49.61 miles (79.84 km) W | Hydaburg Seaplane Base (HYG) | Hydaburg, Alaska, United States | |
| 6 | 53.80 miles (86.58 km) NW | Thorne Bay Seaplane Base (KTB) | Thorne Bay, Alaska, United States | |
| 7 | 66.24 miles (106.61 km) WNW | Craig Seaplane Base (CGA) | Craig, Alaska, United States | |
| 8 | 66.49 miles (107.00 km) WNW | Klawock Airport (KLW) | Klawock, Alaska, United States | |
| 9 | 66.63 miles (107.23 km) W | Waterfall Seaplane Base (KWF) | Waterfall, Alaska, United States | |
| 10 | 73.87 miles (118.89 km) SE | Prince Rupert Airport (YPR) | Prince Rupert, British Columbia, Canada | |
| 11 | 75.56 miles (121.61 km) SE | Prince Rupert/Seal Cove Water Airport (ZSW) | Prince Rupert, British Columbia, Canada | |
| 12 | 78.32 miles (126.04 km) NW | Coffman Cove Seaplane Base (KCC) | Coffman Cove, Alaska, United States | |
| 13 | 79.35 miles (127.71 km) SSW | Masset Airport (ZMT) | Masset, British Columbia, Canada | |
| 14 | 81.39 miles (130.99 km) NE | Hyder Seaplane Base (WHD) | Hyder, Alaska, United States | |
| 15 | 81.45 miles (131.09 km) NW | Naukati Bay Seaplane Base (WNC) | Tuxekan Island, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,621.06 miles (17,092.89 km) SE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 2 | 10,614.48 miles (17,082.30 km) SE | East London Airport (ELS) | East London, South Africa | |
| 3 | 10,611.60 miles (17,077.67 km) SE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 4 | 10,543.67 miles (16,968.36 km) SE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 5 | 10,539.88 miles (16,962.25 km) SE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 6 | 10,516.90 miles (16,925.27 km) SE | George Airport (GRJ) | George, South Africa | |
| 7 | 10,477.12 miles (16,861.25 km) SSE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 8 | 10,463.52 miles (16,839.37 km) SE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 9 | 10,440.83 miles (16,802.84 km) SSE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 10 | 10,438.85 miles (16,799.65 km) SE | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 11 | 10,423.10 miles (16,774.31 km) SE | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 12 | 10,421.11 miles (16,771.11 km) SE | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 13 | 10,410.01 miles (16,753.24 km) SE | Mokhotlong Airport (MKH) | Mokhotlong, Lesotho | |
| 14 | 10,398.50 miles (16,734.71 km) SE | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |
| 15 | 10,396.65 miles (16,731.75 km) SSE | Hluhluwe Airport (HLW) | Hluhluwe, South Africa | |