Nonstop flight route between Camp San Luis Obispo, California, United States and Eastleigh (near Southampton), England, United Kingdom:
Departure Airport:

Arrival Airport:

Distance from CSL to SOU:
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- About this route
- CSL Airport Information
- SOU Airport Information
- Facts about CSL
- Facts about SOU
- Map of Nearest Airports to CSL
- List of Nearest Airports to CSL
- Map of Furthest Airports from CSL
- List of Furthest Airports from CSL
- Map of Nearest Airports to SOU
- List of Nearest Airports to SOU
- Map of Furthest Airports from SOU
- List of Furthest Airports from SOU
About this route:
A direct, nonstop flight between O'Sullivan Army Heliport (CSL), Camp San Luis Obispo, California, United States and Southampton Airport (SOU), Eastleigh (near Southampton), England, United Kingdom would travel a Great Circle distance of 5,434 miles (or 8,745 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 O'Sullivan Army Heliport and Southampton 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 O'Sullivan Army Heliport and Southampton Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | CSL / KCSL |
Airport Name: | O'Sullivan Army Heliport |
Location: | Camp San Luis Obispo, California, United States |
GPS Coordinates: | 35°19'33"N by 120°44'35"W |
Operator/Owner: | United States Army |
Airport Type: | Military |
Elevation: | 250 feet (76 meters) |
View all routes: | Routes from CSL |
More Information: | CSL Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SOU / EGHI |
Airport Name: | Southampton Airport |
Location: | Eastleigh (near Southampton), England, United Kingdom |
GPS Coordinates: | 50°57'1"N by 1°21'24"W |
Area Served: | Southampton |
Operator/Owner: | Heathrow Airport Holdings |
Airport Type: | Public |
Elevation: | 44 feet (13 meters) |
# of Runways: | 1 |
View all routes: | Routes from SOU |
More Information: | SOU Maps & Info |
Facts about O'Sullivan Army Heliport (CSL):
- The closest airport to O'Sullivan Army Heliport (CSL) is San Luis Obispo County Regional Airport (SBP), which is located only 8 miles (14 kilometers) SE of CSL.
- Because of O'Sullivan Army Heliport's relatively low elevation of 250 feet, planes can take off or land at O'Sullivan Army Heliport 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 furthest airport from O'Sullivan Army Heliport (CSL) is Pierrefonds Airport (ZSE), which is located 11,442 miles (18,414 kilometers) away in Saint-Pierre, Réunion.
Facts about Southampton Airport (SOU):
- Because of Southampton Airport's relatively low elevation of 44 feet, planes can take off or land at Southampton 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.
- There are plans, supported by the local council, to rename the airport after R.
- The airport's runway is built over the remains of a Roman villa.
- Southampton airport only has one main ground handler which is Swissport, who took over from Aviance.
- Southampton Airport (SOU) currently has only 1 runway.
- The furthest airport from Southampton Airport (SOU) is Dunedin International Airport (DUD), which is located 11,918 miles (19,179 kilometers) away in Dunedin, Otago, New Zealand.
- During the First World War, when forces from the United States Navy arrived in 1917, work on the building of hangars began.
- After that war, the site became a transit camp for refugees, mainly Russian, who were anxious to sail to America from the port of Southampton.
- Southampton Airport handled 1,722,758 passengers last year.
- The closest airport to Southampton Airport (SOU) is Lasham Airfield (QLA), which is located 22 miles (35 kilometers) NE of SOU.