Nonstop flight route between Atwater, California, United States and Tôlanaro, Madagascar:
Departure Airport:

Arrival Airport:

Distance from MER to FTU:
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- About this route
- MER Airport Information
- FTU Airport Information
- Facts about MER
- Facts about FTU
- Map of Nearest Airports to MER
- List of Nearest Airports to MER
- Map of Furthest Airports from MER
- List of Furthest Airports from MER
- Map of Nearest Airports to FTU
- List of Nearest Airports to FTU
- Map of Furthest Airports from FTU
- List of Furthest Airports from FTU
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Tôlanaro Airport (FTU), Tôlanaro, Madagascar would travel a Great Circle distance of 11,312 miles (or 18,204 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 Castle Airport and Tôlanaro 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 Castle Airport and Tôlanaro Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | MER / KMER |
Airport Name: | Castle Airport |
Location: | Atwater, California, United States |
GPS Coordinates: | 37°22'50"N by 120°34'5"W |
Operator/Owner: | Merced County Department of Commerce, Aviation, and Economic Development |
Airport Type: | Public |
Elevation: | 191 feet (58 meters) |
# of Runways: | 1 |
View all routes: | Routes from MER |
More Information: | MER Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | FTU / FMSD |
Airport Names: |
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Location: | Tôlanaro, Madagascar |
GPS Coordinates: | 25°2'17"S by 46°57'20"E |
Area Served: | Tôlanaro |
Airport Type: | Public |
Elevation: | 20 feet (6 meters) |
# of Runways: | 1 |
View all routes: | Routes from FTU |
More Information: | FTU Maps & Info |
Facts about Castle Airport (MER):
- Because of Castle Airport's relatively low elevation of 191 feet, planes can take off or land at Castle 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.
- With its central location in the San Joaquin Valley, on the route of the proposed California High-Speed Rail system, and with a large, underdeveloped site, Castle Airport has been submitted as a possible location for the central maintenance facility for the system.
- It was estimated that the cost to relocate the 129 RQW to Castle, to include associated military construction costs, could be recouped in seven years.
- Castle Airport (MER) currently has only 1 runway.
- In 2004, recommendations were made to relocate the 129th Rescue Wing of the California Air National Guard and its associated HC-130, MC-130 and HH-60 aircraft from Moffett Federal Airfield to the former Castle Air Force Base, now Castle Airport.
- The furthest airport from Castle Airport (MER) is Tôlanaro Airport (FTU), which is located 11,312 miles (18,204 kilometers) away in Tôlanaro, Madagascar.
- Castle Airport covers an area of 1,360 acres which contains one runway with an 11,802 x 150 ft asphalt and concrete pavement.
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of MER.
Facts about Tôlanaro Airport (FTU):
- Tôlanaro Airport (FTU) currently has only 1 runway.
- The closest airport to Tôlanaro Airport (FTU) is Ampanihy Airport (AMP), which is located 141 miles (227 kilometers) W of FTU.
- Because of Tôlanaro Airport's relatively low elevation of 20 feet, planes can take off or land at Tôlanaro 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.
- In addition to being known as "Tôlanaro Airport", another name for FTU is "Marillac Airport".
- The furthest airport from Tôlanaro Airport (FTU) is Vandenberg Air Force Base (VBG), which is located 11,435 miles (18,402 kilometers) away in Lompoc, California, United States.