Nonstop flight route between Camp Douglas, Wisconsin, United States and Xi'an, Shaanxi, China:
Departure Airport:

Arrival Airport:

Distance from VOK to SIA:
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- About this route
- VOK Airport Information
- SIA Airport Information
- Facts about VOK
- Facts about SIA
- Map of Nearest Airports to VOK
- List of Nearest Airports to VOK
- Map of Furthest Airports from VOK
- List of Furthest Airports from VOK
- Map of Nearest Airports to SIA
- List of Nearest Airports to SIA
- Map of Furthest Airports from SIA
- List of Furthest Airports from SIA
About this route:
A direct, nonstop flight between Volk Field Air National Guard Base (VOK), Camp Douglas, Wisconsin, United States and Xi'an Xiguan Airport (SIA), Xi'an, Shaanxi, China would travel a Great Circle distance of 6,890 miles (or 11,089 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 Volk Field Air National Guard Base and Xi'an Xiguan 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 Volk Field Air National Guard Base and Xi'an Xiguan Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | VOK / KVOK |
Airport Name: | Volk Field Air National Guard Base |
Location: | Camp Douglas, Wisconsin, United States |
GPS Coordinates: | 43°56'20"N by 90°15'12"W |
Operator/Owner: | U.S. Air Force |
Airport Type: | Military |
Elevation: | 912 feet (278 meters) |
# of Runways: | 1 |
View all routes: | Routes from VOK |
More Information: | VOK Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SIA / ZLSN |
Airport Names: |
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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 |
Facts about Volk Field Air National Guard Base (VOK):
- Volk Field has one asphalt and concrete paved runway measuring 9,000 x 150 ft.
- Because of Volk Field Air National Guard Base's relatively low elevation of 912 feet, planes can take off or land at Volk Field Air National Guard 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.
- Immediate communication with Duluth showed there was an error.
- The closest airport to Volk Field Air National Guard Base (VOK) is Sparta/Fort McCoy Airport (CMY), which is located 24 miles (39 kilometers) W of VOK.
- The furthest airport from Volk Field Air National Guard Base (VOK) is Margaret River Airport (MGV), which is located 10,917 miles (17,570 kilometers) away in Margaret River, Western Australia, Australia.
- The site was named Camp Williams in 1927 in honor of Lieutenant Colonel Charles R.
- Volk Field Air National Guard Base (VOK) currently has only 1 runway.
Facts about Xi'an Xiguan Airport (SIA):
- 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 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.
- 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].
- Xi'an Xiguan Airport (SIA) currently has only 1 runway.