Nonstop flight route between Impfondo, Republic of the Congo and Marathon, Ontario, Canada:
Departure Airport:

Arrival Airport:

Distance from ION to YSP:
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- About this route
- ION Airport Information
- YSP Airport Information
- Facts about ION
- Facts about YSP
- Map of Nearest Airports to ION
- List of Nearest Airports to ION
- Map of Furthest Airports from ION
- List of Furthest Airports from ION
- Map of Nearest Airports to YSP
- List of Nearest Airports to YSP
- Map of Furthest Airports from YSP
- List of Furthest Airports from YSP
About this route:
A direct, nonstop flight between Impfondo Airport (ION), Impfondo, Republic of the Congo and Marathon Aerodrome (YSP), Marathon, Ontario, Canada would travel a Great Circle distance of 6,786 miles (or 10,921 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 Impfondo Airport and Marathon Aerodrome, 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 Impfondo Airport and Marathon Aerodrome. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | ION / FCOI |
Airport Name: | Impfondo Airport |
Location: | Impfondo, Republic of the Congo |
GPS Coordinates: | 1°35'21"N by 18°2'42"E |
Area Served: | Impfondo, Republic of the Congo |
Elevation: | 1099 feet (335 meters) |
View all routes: | Routes from ION |
More Information: | ION Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | YSP / CYSP |
Airport Name: | Marathon Aerodrome |
Location: | Marathon, Ontario, Canada |
GPS Coordinates: | 48°45'25"N by 86°20'44"W |
Operator/Owner: | Corporation of the Town of Marathon |
Airport Type: | Public |
Elevation: | 1032 feet (315 meters) |
# of Runways: | 1 |
View all routes: | Routes from YSP |
More Information: | YSP Maps & Info |
Facts about Impfondo Airport (ION):
- The closest airport to Impfondo Airport (ION) is Bétou Airport (BTB), which is located 106 miles (170 kilometers) NNE of ION.
- The furthest airport from Impfondo Airport (ION) is Cassidy International Airport (CXI), which is nearly antipodal to Impfondo Airport (meaning Impfondo Airport is almost on the exact opposite side of the Earth from Cassidy International Airport), and is located 12,034 miles (19,367 kilometers) away in Christmas Island, Kiribati.
Facts about Marathon Aerodrome (YSP):
- The closest airport to Marathon Aerodrome (YSP) is Manitouwadge Airport (YMG), which is located 31 miles (51 kilometers) NE of YSP.
- Marathon Aerodrome (YSP) currently has only 1 runway.
- The furthest airport from Marathon Aerodrome (YSP) is Margaret River Airport (MGV), which is located 10,934 miles (17,597 kilometers) away in Margaret River, Western Australia, Australia.