Nonstop flight route between Rapid City, South Dakota, United States and Lanzhou, Gansu, China:

About this route:

A direct, nonstop flight between Ellsworth Air Force Base (RCA), Rapid City, South Dakota, United States and Lanzhou Zhongchuan Airport (LHW), Lanzhou, Gansu, China would travel a Great Circle distance of 6,618 miles (or 10,651 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 Ellsworth Air Force Base and Lanzhou Zhongchuan 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 Ellsworth Air Force Base and Lanzhou Zhongchuan Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Ellsworth Air Force Base (RCA):

• The host unit at Ellsworth is the 28th Bomb Wing assigned to the Air Combat Command's Twelfth Air Force.
• Rapid City AAF was assigned to the 17th Bombardment Training Wing, II Bomber Command.
• In March 1944, heavy bomber operational training ended and the 225th Army Air Force Base Unit began training of replacement personnel for deployed heavy bombardment units in the overseas combat theaters.
• The closest airport to Ellsworth Air Force Base (RCA) is Rapid City Regional Airport (RAP), which is located only 7 miles (11 kilometers) S of RCA.
• An AN/MPS-14 height-finder radar was added in 1956.
• The furthest airport from Ellsworth Air Force Base (RCA) is Sir Gaëtan Duval Airport (RRG), which is located 10,579 miles (17,026 kilometers) away in Rodrigues Island, Mauritius.
• Air Defense Command deactivated the Ellsworth radar site on 15 August 1962 and the 740th was discontinued.
• In addition to being known as "Ellsworth Air Force Base", another name for RCA is "Ellsworth AFB".
• On 15 July 1945, the 225th AAFBU was inactivated and Rapid City AAB was placed on standby status as the Army Air Forces began to demobilize.
• The airfield was again temporarily shut down from September 1946 – March 1947 and underwent a major construction program to upgrade the temporary wartime facilities to that of a permanent base.
• In 1986, the base and the 28 BMW made extensive preparations to phase out the aging B-52 fleet and become the second home for the advanced B-1B Lancer.

Facts about Lanzhou Zhongchuan Airport (LHW):

• Lanzhou Zhongchuan Airport (LHW) currently has only 1 runway.
• In addition to being known as "Lanzhou Zhongchuan Airport", other names for LHW include "兰州中川机场", "Lánzhōu Zhōngchuān Jīchǎng" and "ZGC".
• 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 LHW. Combined with a high temperature, this could make LHW 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 closest airport to Lanzhou Zhongchuan Airport (LHW) is Lanzhou Zhongchuan Airport (ZGC), which is located only 0 mile (0 kilometer) N of LHW.
• The furthest airport from Lanzhou Zhongchuan Airport (LHW) 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.