Nonstop flight route between Sembach, Germany and Champaign-Urbana, Illinois, United States:
Departure Airport:

Arrival Airport:

Distance from SEX to CMI:
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- About this route
- SEX Airport Information
- CMI Airport Information
- Facts about SEX
- Facts about CMI
- Map of Nearest Airports to SEX
- List of Nearest Airports to SEX
- Map of Furthest Airports from SEX
- List of Furthest Airports from SEX
- Map of Nearest Airports to CMI
- List of Nearest Airports to CMI
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- List of Furthest Airports from CMI
About this route:
A direct, nonstop flight between Sembach KaserneSembach Air Base (SEX), Sembach, Germany and University of Illinois Willard Airport (CMI), Champaign-Urbana, Illinois, United States would travel a Great Circle distance of 4,432 miles (or 7,132 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 Sembach KaserneSembach Air Base and University of Illinois Willard 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 Sembach KaserneSembach Air Base and University of Illinois Willard Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | SEX / ETAS |
Airport Name: | Sembach KaserneSembach Air Base |
Location: | Sembach, Germany |
GPS Coordinates: | 49°31'41"N by 7°51'56"E |
Operator/Owner: | United States with authority from Germany |
View all routes: | Routes from SEX |
More Information: | SEX Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | CMI / KCMI |
Airport Name: | University of Illinois Willard Airport |
Location: | Champaign-Urbana, Illinois, United States |
GPS Coordinates: | 40°2'21"N by 88°16'41"W |
Area Served: | Champaign-Urbana, Illinois |
Operator/Owner: | University of Illinois at Urbana-Champaign |
Airport Type: | Public |
Elevation: | 754 feet (230 meters) |
# of Runways: | 4 |
View all routes: | Routes from CMI |
More Information: | CMI Maps & Info |
Facts about Sembach KaserneSembach Air Base (SEX):
- Many workers were brought in to build the new base, and the village of Sembach took on the character of a boomtown.
- Sembach is the home of the United States Army's 230th Military Police Company, the 95th Military Police Battalion, 18th Military Police Brigade, the 30th Medical Command, and the 786th Security Forces Squadron regional training center.
- The closest airport to Sembach KaserneSembach Air Base (SEX) is Ramstein Air Base (RMS), which is located only 13 miles (21 kilometers) WSW of SEX.
- Sembach's origins date back to 1919 after World War I when French occupation troops used the eastern half of the present flightline as an airfield.
- On 30 November 1954, the 30th TRS received the first Martin RB-57A Canberra, to replace its World War II vintage RB-26 Invaders.
- Another reason for the move to France was the unsuitability of Sembach's runway, which was barely adequate for the RF-84, but absolutely unsuitable for the higher performance RF-101 aircraft
- The furthest airport from Sembach KaserneSembach Air Base (SEX) is Chatham Islands (CHT), which is located 11,992 miles (19,299 kilometers) away in Waitangi, Chatham Islands, New Zealand.
Facts about University of Illinois Willard Airport (CMI):
- University of Illinois Willard Airport (CMI) has 4 runways.
- American Eagle has one daily flight to Dallas/Fort Worth International Airport on 50-seat ERJs, and six daily ERJ flights to Chicago's O'Hare International Airport.
- Because of University of Illinois Willard Airport's relatively low elevation of 754 feet, planes can take off or land at University of Illinois Willard 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 University of Illinois Willard Airport (CMI) is Decatur Airport (DEC), which is located 34 miles (55 kilometers) WSW of CMI.
- The furthest airport from University of Illinois Willard Airport (CMI) is Margaret River Airport (MGV), which is located 11,084 miles (17,838 kilometers) away in Margaret River, Western Australia, Australia.