Nonstop flight route between Chatham, Alaska, United States and St Mary's, Isles of Scilly, United Kingdom:
Departure Airport:

Arrival Airport:

Distance from CYM to ISC:
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- About this route
- CYM Airport Information
- ISC Airport Information
- Facts about CYM
- Facts about ISC
- Map of Nearest Airports to CYM
- List of Nearest Airports to CYM
- Map of Furthest Airports from CYM
- List of Furthest Airports from CYM
- Map of Nearest Airports to ISC
- List of Nearest Airports to ISC
- Map of Furthest Airports from ISC
- List of Furthest Airports from ISC
About this route:
A direct, nonstop flight between Chatham Seaplane Base (CYM), Chatham, Alaska, United States and St Mary's Airport (ISC), St Mary's, Isles of Scilly, United Kingdom would travel a Great Circle distance of 4,462 miles (or 7,180 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 Chatham Seaplane Base and St Mary's 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 Chatham Seaplane Base and St Mary's Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | CYM / |
Airport Name: | Chatham Seaplane Base |
Location: | Chatham, Alaska, United States |
GPS Coordinates: | 57°30'54"N by 134°56'45"W |
Area Served: | Chatham, Alaska |
Operator/Owner: | Chatham Cannery Ltd. |
Airport Type: | Public use |
Elevation: | 0 feet (0 meters) |
# of Runways: | 1 |
View all routes: | Routes from CYM |
More Information: | CYM Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | ISC / EGHE |
Airport Names: |
|
Location: | St Mary's, Isles of Scilly, United Kingdom |
GPS Coordinates: | 49°54'47"N by 6°17'30"W |
Area Served: | Isles of Scilly |
Operator/Owner: | Council of the Isles of Scilly |
Airport Type: | Public |
Elevation: | 116 feet (35 meters) |
# of Runways: | 2 |
View all routes: | Routes from ISC |
More Information: | ISC Maps & Info |
Facts about Chatham Seaplane Base (CYM):
- The furthest airport from Chatham Seaplane Base (CYM) is Port Alfred Airport (AFD), which is located 10,576 miles (17,020 kilometers) away in Port Alfred, South Africa.
- Chatham Seaplane Base (CYM) currently has only 1 runway.
- The closest airport to Chatham Seaplane Base (CYM) is Angoon Seaplane Base (AGN), which is located only 13 miles (22 kilometers) E of CYM.
- Because of Chatham Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Chatham Seaplane Base 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.
Facts about St Mary's Airport (ISC):
- St Mary's Airport (ISC) has 2 runways.
- The closest airport to St Mary's Airport (ISC) is Tresco Heliport (TSO), which is located only 3 miles (5 kilometers) NW of ISC.
- In 1984 Isles of Scilly Skybus started flights to St Mary's from Land's End, initially freight and charter.
- On 15 September 1937, Olley Air Service's subsidiary Channel Air Ferries started the first scheduled service between Land's End and St Mary's, flying de Havilland Dragons.
- In addition to being known as "St Mary's Airport", other names for ISC include "Isles of Scilly Airport" and "Scilly Isles/St Mary's Airport".
- In 1975, a new terminal was opened by the then incumbent Prime Minister Harold Wilson.
- St Mary's Airport handled 89,170 passengers last year.
- The furthest airport from St Mary's Airport (ISC) is Dunedin International Airport (DUD), which is nearly antipodal to St Mary's Airport (meaning St Mary's Airport is almost on the exact opposite side of the Earth from Dunedin International Airport), and is located 12,117 miles (19,501 kilometers) away in Dunedin, Otago, New Zealand.
- The terminal at the airport is open all year round whilst the airport is in operation.
- Because of St Mary's Airport's relatively low elevation of 116 feet, planes can take off or land at St Mary's 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.