Nonstop flight route between Lanzhou, Gansu, China and Kelso, Washington, United States:
Departure Airport:
Arrival Airport:
Distance from ZGC to KLS:
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- About this route
 - ZGC Airport Information
 - KLS Airport Information
 - Facts about ZGC
 - Facts about KLS
 - Map of Nearest Airports to ZGC
 - List of Nearest Airports to ZGC
 - Map of Furthest Airports from ZGC
 - List of Furthest Airports from ZGC
 - Map of Nearest Airports to KLS
 - List of Nearest Airports to KLS
 - Map of Furthest Airports from KLS
 - List of Furthest Airports from KLS
 
About this route:
A direct, nonstop flight between Lanzhou Zhongchuan Airport (ZGC), Lanzhou, Gansu, China and Southwest Washington Regional Airport (KLS), Kelso, Washington, United States would travel a Great Circle distance of 6,038 miles (or 9,717 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 Lanzhou Zhongchuan Airport and Southwest Washington Regional Airport, 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 Lanzhou Zhongchuan Airport and Southwest Washington Regional Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | ZGC / ZLLL | 
| Airport Names: | 
                    
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| Location: | Lanzhou, Gansu, China | 
| GPS Coordinates: | 36°30'54"N by 103°37'12"E | 
| Operator/Owner: | HNA Airport Group Company Ltd Gansu Division | 
| Airport Type: | Public | 
| Elevation: | 6388 feet (1,947 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from ZGC | 
| More Information: | ZGC Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | KLS / KKLS | 
| Airport Name: | Southwest Washington Regional Airport | 
| Location: | Kelso, Washington, United States | 
| GPS Coordinates: | 46°7'5"N by 122°53'53"W | 
| Area Served: | Longview-Kelso Metropolitan Area | 
| Operator/Owner: | City of Kelso | 
| Airport Type: | Public | 
| Elevation: | 20 feet (6 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from KLS | 
| More Information: | KLS Maps & Info | 
Facts about Lanzhou Zhongchuan Airport (ZGC):
- In addition to being known as "Lanzhou Zhongchuan Airport", other names for ZGC include "兰州中川机场" and "Lánzhōu Zhōngchuān Jīchǎng".
 - Because of Lanzhou Zhongchuan Airport's high elevation of 6,388 feet, planes must typically fly at a faster airspeed in order to takeoff or land at ZGC. Combined with a high temperature, this could make ZGC a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
 - Taxi service is relatively expensive due to the long distance to the airport, about 150RMB.
 - The furthest airport from Lanzhou Zhongchuan Airport (ZGC) is Carriel Sur International Airport (CCP), which is nearly antipodal to Lanzhou Zhongchuan Airport (meaning Lanzhou Zhongchuan Airport is almost on the exact opposite side of the Earth from Carriel Sur International Airport), and is located 12,252 miles (19,718 kilometers) away in Concepción, Bío Bío Region, Chile.
 - Lanzhou Zhongchuan Airport (ZGC) currently has only 1 runway.
 - The closest airport to Lanzhou Zhongchuan Airport (ZGC) is Lanzhou Zhongchuan Airport (LHW), which is located only 0 mile (0 kilometer) N of ZGC.
 
Facts about Southwest Washington Regional Airport (KLS):
- Because of Southwest Washington Regional Airport's relatively low elevation of 20 feet, planes can take off or land at Southwest Washington 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.
 - Kelso-Longview Airport opened in May 1941 on 109 acres of a nearby dairy farm, as a training field for amateur pilots, and has since become a regional transportation center for southwest Washington.
 - The closest airport to Southwest Washington Regional Airport (KLS) is South Lewis County Airport (TDO), which is located 25 miles (41 kilometers) N of KLS.
 - Southwest Washington Regional Airport (KLS) currently has only 1 runway.
 - The furthest airport from Southwest Washington Regional Airport (KLS) is Tôlanaro Airport (FTU), which is located 10,876 miles (17,503 kilometers) away in Tôlanaro, Madagascar.
 - Southwest Washington Regional Airport is a city-owned public-use airport located two nautical miles southeast of the central business district of Kelso, in Cowlitz County, Washington, United States.
 
