Nonstop flight route between Camp Roberts, San Luis Obispo County, California, United States and Alconbury, England, United Kingdom:
Departure Airport:

Arrival Airport:

Distance from SYL to AYH:
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- About this route
- SYL Airport Information
- AYH Airport Information
- Facts about SYL
- Facts about AYH
- Map of Nearest Airports to SYL
- List of Nearest Airports to SYL
- Map of Furthest Airports from SYL
- List of Furthest Airports from SYL
- Map of Nearest Airports to AYH
- List of Nearest Airports to AYH
- Map of Furthest Airports from AYH
- List of Furthest Airports from AYH
About this route:
A direct, nonstop flight between Roberts Army Heliport (SYL), Camp Roberts, San Luis Obispo County, California, United States and RAF AlconburyUSAAF Station 102 (AYH), Alconbury, England, United Kingdom would travel a Great Circle distance of 5,373 miles (or 8,647 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 Roberts Army Heliport and RAF AlconburyUSAAF Station 102, 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 Roberts Army Heliport and RAF AlconburyUSAAF Station 102. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | SYL / KSYL |
Airport Name: | Roberts Army Heliport |
Location: | Camp Roberts, San Luis Obispo County, California, United States |
GPS Coordinates: | 35°48'53"N by 120°44'38"W |
Operator/Owner: | United States Army |
Airport Type: | Military |
Elevation: | 630 feet (192 meters) |
View all routes: | Routes from SYL |
More Information: | SYL Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | AYH / EGWZ |
Airport Name: | RAF AlconburyUSAAF Station 102 |
Location: | Alconbury, England, United Kingdom |
GPS Coordinates: | 52°21'47"N by 0°13'22"W |
Operator/Owner: | Ministry of Defence |
View all routes: | Routes from AYH |
More Information: | AYH Maps & Info |
Facts about Roberts Army Heliport (SYL):
- Because of Roberts Army Heliport's relatively low elevation of 630 feet, planes can take off or land at Roberts 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 Roberts Army Heliport (SYL) is Pierrefonds Airport (ZSE), which is located 11,409 miles (18,361 kilometers) away in Saint-Pierre, Réunion.
- The closest airport to Roberts Army Heliport (SYL) is Paso Robles Municipal AirportEstrella Army Airfield (PRB), which is located only 12 miles (19 kilometers) SE of SYL.
Facts about RAF AlconburyUSAAF Station 102 (AYH):
- After a minimal amount of construction, RAF Alconbury was tested in May 1938 when No.
- The host unit at RAF Alconbury is the 423rd Air Base Group which supplies host unit services for Alconbury as well as RAF Molesworth.
- Satellite bases were considered one answer to this threat – a landing ground within reasonable road travel distance of the parent airfield to which aircraft could be diverted if the home station was bombed or likely to be attacked.
- The construction attracted the attention of the Luftwaffe as the flying field of RAF Alconbury was attacked by German bombers on 16 September 1940, although no serious damage was done.
- The commercial buildings and barracks were dispersed in nearby farmland to the south east of the airfield on the other side of the A14 highway.
- The closest airport to RAF AlconburyUSAAF Station 102 (AYH) is Cambridge International Airport (CBG), which is located 20 miles (32 kilometers) ESE of AYH.
- The furthest airport from RAF AlconburyUSAAF Station 102 (AYH) is Chatham Islands (CHT), which is located 11,821 miles (19,024 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- In 1937, Royal Air Force Bomber Command was drawing up plans for dispersal of their aircraft in the event of air raids on its stations.