Nonstop flight route between Ontario (near Los Angeles), California, United States and Knock, Ireland:
Departure Airport:

Arrival Airport:

Distance from ONT to NOC:
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- About this route
- ONT Airport Information
- NOC Airport Information
- Facts about ONT
- Facts about NOC
- Map of Nearest Airports to ONT
- List of Nearest Airports to ONT
- Map of Furthest Airports from ONT
- List of Furthest Airports from ONT
- 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 LA/Ontario International Airport (ONT), Ontario (near Los Angeles), California, United States and Ireland West Airport Knock (NOC), Knock, Ireland would travel a Great Circle distance of 5,031 miles (or 8,097 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 LA/Ontario International Airport 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 LA/Ontario International Airport 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: | ONT / KONT |
Airport Name: | LA/Ontario International Airport |
Location: | Ontario (near Los Angeles), California, United States |
GPS Coordinates: | 34°3'21"N by 117°36'3"W |
Area Served: | Ontario, California / Inland Empire, California |
Operator/Owner: | Los Angeles World Airports |
Airport Type: | Public |
Elevation: | 944 feet (288 meters) |
# of Runways: | 2 |
View all routes: | Routes from ONT |
More Information: | ONT Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | NOC / EIKN |
Airport Names: |
|
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 LA/Ontario International Airport (ONT):
- The furthest airport from LA/Ontario International Airport (ONT) is Pierrefonds Airport (ZSE), which is located 11,460 miles (18,443 kilometers) away in Saint-Pierre, Réunion.
- The airport covers 1,700 acres and has two runways.
- Thanks to Ontario's long runways, it is often an alternate landing site for large aircraft destined for LAX.
- In 1981, a second east-west runway, 26L/8R, was built, necessitating the removal of the old NE-SW runway 4/22.
- The closest airport to LA/Ontario International Airport (ONT) is Chino Airport (CNO), which is located only 6 miles (10 kilometers) SSW of ONT.
- Remote parking is located on the east end of the airport.
- Because of LA/Ontario International Airport's relatively low elevation of 944 feet, planes can take off or land at LA/Ontario 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.
- LA/Ontario International Airport handled 4,812,006 passengers last year.
- The airport is about 38 miles east of downtown Los Angeles, 18 miles west of downtown San Bernardino and 14 miles northwest of downtown Riverside.
- LA/Ontario International Airport (ONT) has 2 runways.
Facts about Ireland West Airport Knock (NOC):
- In 2005 the airport changed its name to Ireland West Airport Knock.
- Ireland West Airport Knock handled 665,000 passengers last year.
- Ireland West Airport Knock (NOC) currently has only 1 runway.
- 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.
- In addition to being known as "Ireland West Airport Knock", other names for NOC include "Horan International Airport" and "Aerfort Iarthar Éireann".
- 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.
- The closest airport to Ireland West Airport Knock (NOC) is Sligo Airport (SXL), which is located 27 miles (44 kilometers) NNE of NOC.
- The nearest railway stations are Ballyhaunis, Foxford and Claremorris, accessible by taxi and bus.
- 2007 was a notable year, with scheduled transatlantic services to New York and Boston commencing in May, operated by the now-defunct Flyglobespan.