Nonstop flight route between Patuxent River, Maryland, United States and Ho Chi Minh City, Vietnam:
Departure Airport:
 
    Arrival Airport:
 
    Distance from NHK to SGN:
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- About this route
- NHK Airport Information
- SGN Airport Information
- Facts about NHK
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- Map of Nearest Airports to NHK
- List of Nearest Airports to NHK
- Map of Furthest Airports from NHK
- List of Furthest Airports from NHK
- Map of Nearest Airports to SGN
- List of Nearest Airports to SGN
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- List of Furthest Airports from SGN
About this route:
A direct, nonstop flight between Naval Air Station Patuxent River (NHK), Patuxent River, Maryland, United States and Tân Sơn Nhất International Airport (SGN), Ho Chi Minh City, Vietnam would travel a Great Circle distance of 9,038 miles (or 14,546 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 Naval Air Station Patuxent River and Tân Sơn Nhất International 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 Naval Air Station Patuxent River and Tân Sơn Nhất International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | NHK / KNHK | 
| Airport Names: | 
 | 
| Location: | Patuxent River, Maryland, United States | 
| GPS Coordinates: | 38°17'9"N by 76°24'42"W | 
| Operator/Owner: | United States Navy | 
| Airport Type: | Naval Air Station | 
| Elevation: | 39 feet (12 meters) | 
| # of Runways: | 3 | 
| View all routes: | Routes from NHK | 
| More Information: | NHK Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | SGN / VVTS | 
| Airport Names: | 
 | 
| Location: | Ho Chi Minh City, Vietnam | 
| GPS Coordinates: | 10°49'8"N by 106°39'6"E | 
| Area Served: | Ho Chi Minh City, Vietnam | 
| Operator/Owner: | Vietnamese government | 
| Airport Type: | Public | 
| Elevation: | 33 feet (10 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from SGN | 
| More Information: | SGN Maps & Info | 
Facts about Naval Air Station Patuxent River (NHK):
- Situated on a peninsula between the Potomac River and the Chesapeake Bay at the mouth of the Patuxent River, NAS Patuxent River is located on 6,400 acres of what was once prime farmland, consisting of several large plantations, Mattapony, Susquehanna, and Cedar Point, as well as numerous tenant and sharecropper properties and a few clusters of vacation homes.
- In addition to being known as "Naval Air Station Patuxent River", other names for NHK include "Trapnell Field" and "KNHK - FAA: NHK".
- 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.
- 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 original civilian residents had about a month, until March 1, 1942, to relocate as the federal government purchased all the land at a cost of $712,287 for 6,412 acres, which in 2013 dollars would be the equivalent of being paid $1,261 per acre.
- 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 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.
- Naval Air Station Patuxent River (NHK) has 3 runways.
- Research and development at NAS Patuxent River forged ahead in the 1970s.
- During construction, housing needs far outstripped supply, and barracks were built for workers on the station.
Facts about Tân Sơn Nhất International Airport (SGN):
- The furthest airport from Tân Sơn Nhất International Airport (SGN) is Jauja AirportFrancisco Carle Airport (JAU), which is nearly antipodal to Tân Sơn Nhất International Airport (meaning Tân Sơn Nhất International Airport is almost on the exact opposite side of the Earth from Jauja AirportFrancisco Carle Airport), and is located 12,278 miles (19,760 kilometers) away in Jauja, Peru.
- On 9 December 2004, United Airlines became the first U.S.
- Because of Tân Sơn Nhất International Airport's relatively low elevation of 33 feet, planes can take off or land at Tân Sơn Nhất International 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 Tân Sơn Nhất International Airport (SGN) is Vung Tau Airport (VTG), which is located 43 miles (69 kilometers) SE of SGN.
- In addition to being known as "Tân Sơn Nhất International Airport", another name for SGN is "Sân bay Quốc tế Tân Sơn Nhất".
- Tân Sơn Nhất International Airport (SGN) has 2 runways.
- Following the opening of its new international terminal in September 2007, Tan Son Nhat has two major terminal buildings with separate sections for international and domestic flights.
- Tan Son Nhat International Airport is located inside the crowded city of Ho Chi Minh City, making expansions difficult.




