Nonstop flight route between Houston, Texas, United States and Knock, Ireland:
Departure Airport:

Arrival Airport:

Distance from EFD to NOC:
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- About this route
- EFD Airport Information
- NOC Airport Information
- Facts about EFD
- Facts about NOC
- Map of Nearest Airports to EFD
- List of Nearest Airports to EFD
- Map of Furthest Airports from EFD
- List of Furthest Airports from EFD
- Map of Nearest Airports to NOC
- List of Nearest Airports to NOC
- Map of Furthest Airports from NOC
- List of Furthest Airports from NOC
About this route:
A direct, nonstop flight between Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD), Houston, Texas, United States and Ireland West Airport Knock (NOC), Knock, Ireland would travel a Great Circle distance of 4,450 miles (or 7,162 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 Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field and Ireland West Airport Knock, 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 Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field and Ireland West Airport Knock. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | EFD / KEFD |
Airport Names: |
|
Location: | Houston, Texas, United States |
GPS Coordinates: | 29°36'25"N by 95°9'32"W |
View all routes: | Routes from EFD |
More Information: | EFD Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | NOC / EIKN |
Airport Names: |
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Location: | Knock, Ireland |
GPS Coordinates: | 53°54'37"N by 8°49'6"W |
Area Served: | Connacht, Ireland |
Airport Type: | Public |
Elevation: | 665 feet (203 meters) |
# of Runways: | 1 |
View all routes: | Routes from NOC |
More Information: | NOC Maps & Info |
Facts about Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD):
- During World War I, Ellington served as an advanced flight training base.
- By the end of 1943, more than 65 women who served in the Women's Army Corps were also stationed at Ellington.
- The furthest airport from Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD) is Cocos (Keeling) Island Airport (CCK), which is located 11,008 miles (17,716 kilometers) away in Cocos Islands, Australia.
- World War II, with its increasing need for trained pilots, helped to reestablish Ellington Field as an active facility.
- In addition to being known as "Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field", another name for EFD is "Ellington Field JRB".
- The closest airport to Ellington Field Joint Reserve BaseEllington Air Force BaseEllington Field (EFD) is William P. Hobby Airport (HOU), which is located only 8 miles (12 kilometers) WNW of EFD.
- Several years later in 1927, Ellington's status was again threatened as local city leaders began to discuss the construction of a municipal airport.
Facts about Ireland West Airport Knock (NOC):
- Ireland West Airport Knock (NOC) currently has only 1 runway.
- Ireland West Airport Knock handled 665,000 passengers last year.
- Ireland West Airport Knock is 5.6km south-west of Charlestown, County Mayo, Ireland.
- Because of Ireland West Airport Knock's relatively low elevation of 665 feet, planes can take off or land at Ireland West Airport Knock 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.
- In 2005 the airport changed its name to Ireland West Airport Knock.
- The closest airport to Ireland West Airport Knock (NOC) is Sligo Airport (SXL), which is located 27 miles (44 kilometers) NNE of NOC.
- The furthest airport from Ireland West Airport Knock (NOC) is Ryan's Creek Aerodrome (SZS), which is located 11,934 miles (19,206 kilometers) away in Stewart Island, New Zealand.
- On 31 October 2013, in response to the scrapping of the Irish travel tax, Ryanair unveiled 3 new routes from Knock to Glasgow-Prestwick, Kaunas and Eindhoven.
- In recent years Ryanair has grown operations and it is the largest airline to serve the airport with 14 scheduled routes.
- In addition to being known as "Ireland West Airport Knock", other names for NOC include "Horan International Airport" and "Aerfort Iarthar Éireann".