Nonstop flight route between Southend, Essex (near London) United Kingdom and Cape Romanzof, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from SEN to CZF:
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- About this route
- SEN Airport Information
- CZF Airport Information
- Facts about SEN
- Facts about CZF
- Map of Nearest Airports to SEN
- List of Nearest Airports to SEN
- Map of Furthest Airports from SEN
- List of Furthest Airports from SEN
- Map of Nearest Airports to CZF
- List of Nearest Airports to CZF
- Map of Furthest Airports from CZF
- List of Furthest Airports from CZF
About this route:
A direct, nonstop flight between London Southend Airport (SEN), Southend, Essex (near London) United Kingdom and Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site (CZF), Cape Romanzof, Alaska, United States would travel a Great Circle distance of 4,570 miles (or 7,355 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 London Southend Airport and Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site , 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 London Southend Airport and Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site . You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | SEN / EGMC |
Airport Name: | London Southend Airport |
Location: | Southend, Essex (near London) United Kingdom |
GPS Coordinates: | 51°34'13"N by 0°41'35"E |
Area Served: | Southend, Essex and east London areas |
Operator/Owner: | Stobart Group |
Airport Type: | Public |
Elevation: | 55 feet (17 meters) |
# of Runways: | 1 |
View all routes: | Routes from SEN |
More Information: | SEN Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | CZF / PACZ |
Airport Names: |
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Location: | Cape Romanzof, Alaska, United States |
GPS Coordinates: | 61°47'22"N by 165°57'42"W |
View all routes: | Routes from CZF |
More Information: | CZF Maps & Info |
Facts about London Southend Airport (SEN):
- The closest airport to London Southend Airport (SEN) is Rochester Airport (RCS), which is located only 17 miles (28 kilometers) SSW of SEN.
- Because of London Southend Airport's relatively low elevation of 55 feet, planes can take off or land at London Southend 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.
- London Southend Airport handled 969,912 passengers last year.
- British World Airlines was based at Southend, previously they operated as British Air Ferries, and before that, as British United Air Ferries – formed from the merger of Channel Air Bridge and Silver City Airways.
- London Southend Airport (SEN) currently has only 1 runway.
- The former terminal now houses facilities for business passengers flying executive aircraft, with lounges and conference rooms, plus flight briefing facilities for pilots and a security checkpoint.
- Heavy maintenance services and hangars for aircraft up to Boeing 757 and Airbus A321 size are available.
- The furthest airport from London Southend Airport (SEN) is Chatham Islands (CHT), which is located 11,885 miles (19,126 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- Companies located at and around the airport employ over 1,000 skilled workers, providing services such as engineering and maintenance work on airliners, including re-spraying, refurbishment, upgrades to avionics, manufacture of aircraft seats and the installation of new or hush-kitted engines.
Facts about Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site (CZF):
- The radar surveillance station was closed on 1 November 1983, and was redesignated as a Long Range Radar site as part of the Alaska Radar System.
- The furthest airport from Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site (CZF) is Cape Town International Airport (CPT), which is located 10,504 miles (16,905 kilometers) away in Cape Town, South Africa.
- The closest airport to Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site (CZF) is Scammon Bay Airport (SCM), which is located only 13 miles (21 kilometers) ENE of CZF.
- Cape Romanzof provided information 24/7 to the air defense Direction Center at King Salmon AFS where it was analyzed to determine range, direction altitude speed and whether or not aircraft were friendly or hostile.
- Today the site is controlled by the Pacific Air Forces 611th Air Support Group, based at Elmendorf AFB.
- In addition to being known as "Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site ", another name for CZF is "Cape Romanzof AFS Radars F-06".
- Cape Romanzof Air Force Station is a closed United States Air Force General Surveillance Radar station.