Nonstop flight route between Hillsboro / Portland, Oregon, United States and Antalaha, Madagascar:
Departure Airport:

Arrival Airport:

Distance from HIO to ANM:
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- About this route
- HIO Airport Information
- ANM Airport Information
- Facts about HIO
- Facts about ANM
- Map of Nearest Airports to HIO
- List of Nearest Airports to HIO
- Map of Furthest Airports from HIO
- List of Furthest Airports from HIO
- Map of Nearest Airports to ANM
- List of Nearest Airports to ANM
- Map of Furthest Airports from ANM
- List of Furthest Airports from ANM
About this route:
A direct, nonstop flight between Portland-Hillsboro Airport (HIO), Hillsboro / Portland, Oregon, United States and Antsirabato Airport (ANM), Antalaha, Madagascar would travel a Great Circle distance of 10,291 miles (or 16,561 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 Portland-Hillsboro Airport and Antsirabato 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 Portland-Hillsboro Airport and Antsirabato Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | HIO / KHIO |
Airport Name: | Portland-Hillsboro Airport |
Location: | Hillsboro / Portland, Oregon, United States |
GPS Coordinates: | 45°32'25"N by 122°56'59"W |
Operator/Owner: | Port of Portland |
Airport Type: | Public |
Elevation: | 204 feet (62 meters) |
# of Runways: | 2 |
View all routes: | Routes from HIO |
More Information: | HIO Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | ANM / FMNH |
Airport Name: | Antsirabato Airport |
Location: | Antalaha, Madagascar |
GPS Coordinates: | 14°59'57"S by 50°19'12"E |
Elevation: | 0 feet (0 meters) |
View all routes: | Routes from ANM |
More Information: | ANM Maps & Info |
Facts about Portland-Hillsboro Airport (HIO):
- Because of Portland-Hillsboro Airport's relatively low elevation of 204 feet, planes can take off or land at Portland-Hillsboro 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.
- The airport was originally Hillsboro's municipal airport, which the Port of Portland bought in 1966.
- The closest airport to Portland-Hillsboro Airport (HIO) is Portland International Airport (PDX), which is located only 17 miles (28 kilometers) E of HIO.
- Portland-Hillsboro Airport (HIO) has 2 runways.
- A Horizon Air plane was hijacked on May 2, 1986, en route from Eugene to Portland, with the pilot able to convince the hijacker to allow the plane to land at HIO where the hijacker was arrested.
- The furthest airport from Portland-Hillsboro Airport (HIO) is Tôlanaro Airport (FTU), which is located 10,913 miles (17,563 kilometers) away in Tôlanaro, Madagascar.
- Facilities include a 6,600-foot runway, a 4,049-foot runway, and an FAA control tower.
- Hillsboro Airport, also known as Portland-Hillsboro Airport, is the name of a corporate, general aviation and flight-training airport serving the city of Hillsboro, in Washington County, Oregon, USA.
Facts about Antsirabato Airport (ANM):
- The furthest airport from Antsirabato Airport (ANM) is Guerrero Negro Airport (GUB), which is located 11,089 miles (17,847 kilometers) away in Guerrero Negro, Baja California Sur, Mexico.
- Because of Antsirabato Airport's relatively low elevation of 0 feet, planes can take off or land at Antsirabato 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.
- The closest airport to Antsirabato Airport (ANM) is Mandritsara Airport (WMA), which is located 114 miles (184 kilometers) WSW of ANM.