Nonstop flight route between Alconbury, England, United Kingdom and Riverside, California, United States:
Departure Airport:

Arrival Airport:

Distance from AYH to RIV:
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- About this route
- AYH Airport Information
- RIV Airport Information
- Facts about AYH
- Facts about RIV
- Map of Nearest Airports to AYH
- List of Nearest Airports to AYH
- Map of Furthest Airports from AYH
- List of Furthest Airports from AYH
- Map of Nearest Airports to RIV
- List of Nearest Airports to RIV
- Map of Furthest Airports from RIV
- List of Furthest Airports from RIV
About this route:
A direct, nonstop flight between RAF AlconburyUSAAF Station 102 (AYH), Alconbury, England, United Kingdom and March Air Reserve Base (RIV), Riverside, California, United States would travel a Great Circle distance of 5,377 miles (or 8,653 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 RAF AlconburyUSAAF Station 102 and March Air Reserve Base, 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 RAF AlconburyUSAAF Station 102 and March Air Reserve Base. You'll see that it will travel the same route of the red line on this map!
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | RIV / KRIV |
Airport Name: | March Air Reserve Base |
Location: | Riverside, California, United States |
GPS Coordinates: | 33°52'50"N by 117°15'33"W |
View all routes: | Routes from RIV |
More Information: | RIV Maps & Info |
Facts about RAF AlconburyUSAAF Station 102 (AYH):
- Squadrons 15 and 40 converted from Battles to Bristol Blenheim bombers, but did not take part in bombing raids with the new type until the German Blitzkrieg was unleashed in May 1940.
- 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.
- Opened in 1938, it is currently a non-flying facility under the control of the United States Air Force.
- 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.
- A total of 67 bombers had been lost in RAF Bomber Command operations flown from Alconbury, eight were Blenheims and 59 Wellingtons.
Facts about March Air Reserve Base (RIV):
- The furthest airport from March Air Reserve Base (RIV) is Pierrefonds Airport (ZSE), which is located 11,461 miles (18,445 kilometers) away in Saint-Pierre, Réunion.
- As March Field began to take on the appearance of a permanent military installation, the base's basic mission changed.
- March is one of the oldest airfields operated by the United States military, being established as Alessandro Flying Training Field in February 1918.
- March Field remained quiet for only a short time.
- At the same time, the War Department announced its intentions to build several new military installations.
- The 1st Fighter Group formed its own aerial demonstration team in January 1950.
- Few members of the 1st Fighter Group foresaw subsequent difficulties in the summer of 1946 as they trained with their new jet fighters.
- The closest airport to March Air Reserve Base (RIV) is Flabob Airport (RIR), which is located only 11 miles (18 kilometers) NW of RIV.