Nonstop flight route between Ulanhot, China and Patuxent River, Maryland, United States:

About this route:

A direct, nonstop flight between Ulanhot Airport (HLH), Ulanhot, China and Naval Air Station Patuxent River (NHK), Patuxent River, Maryland, United States would travel a Great Circle distance of 6,489 miles (or 10,443 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 Ulanhot Airport and Naval Air Station Patuxent River, 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 Ulanhot Airport and Naval Air Station Patuxent River. 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 Ulanhot Airport (HLH):

• The furthest airport from Ulanhot Airport (HLH) is Port Stanley Airport (PSY), which is nearly antipodal to Ulanhot Airport (meaning Ulanhot Airport is almost on the exact opposite side of the Earth from Port Stanley Airport), and is located 12,057 miles (19,404 kilometers) away in Stanley, Falkland Islands, United Kingdom.
• Because of Ulanhot Airport's relatively low elevation of 0 feet, planes can take off or land at Ulanhot 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 Ulanhot Airport (HLH) is Arxan Yi'ershi Airport (YIE), which is located 126 miles (202 kilometers) NW of HLH.

Facts about Naval Air Station Patuxent River (NHK):

• Research and development at NAS Patuxent River forged ahead in the 1970s.
• By 1965, reconnaissance Squadron VQ-4, based at NAS Patuxent River, began using Lockheed C-130s equipped with special communications equipment to perform their around-the-clock Take Charge and Move Out mission.
• The base was also was used as a filming location for the Harrison Ford film Random Hearts.
• Cooperation with the British also led to transatlantic visits to PAX River by RAF squadrons.
• Naval Air Station Patuxent River (NHK) has 3 runways.
• Because of Naval Air Station Patuxent River's relatively low elevation of 39 feet, planes can take off or land at Naval Air Station Patuxent River 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.
• A highway extension to the new air station was required by the project—250,000 tons of material were transported by either truck or water routes during a year of construction.
• The furthest airport from Naval Air Station Patuxent River (NHK) is Margaret River Airport (MGV), which is located 11,728 miles (18,874 kilometers) away in Margaret River, Western Australia, Australia.
• The closest airport to Naval Air Station Patuxent River (NHK) is St. Mary's County Regional Airport (LTW), which is located only 8 miles (12 kilometers) WNW of NHK.
• Commissioned on April 1, 1943 on land largely acquired through eminent domain, the air station grew rapidly in response to World War II and continued to evolve through the Cold War to the present.
• In addition to its role in testing naval aircraft, during the 1950s to 1970s Patuxent River served as an operational base for a Transport Squadron - VR-1, a TACAMO squadron - VQ-4, Airborne Training Unit Atlantic - AEWTULANT, and VW-11, VW-13 AN VW-15 and a number of Patrol Squadrons including VP-8, VP-44, VP-49, VP-24, VP-30 and VP-68.
• In addition to being known as "Naval Air Station Patuxent River", other names for NHK include "Trapnell Field" and "KNHK - FAA: NHK".