Nonstop flight route between Sault Ste. Marie, Ontario, Canada and Diomede, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from YAM to DIO:
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- About this route
- YAM Airport Information
- DIO Airport Information
- Facts about YAM
- Facts about DIO
- Map of Nearest Airports to YAM
- List of Nearest Airports to YAM
- Map of Furthest Airports from YAM
- List of Furthest Airports from YAM
- Map of Nearest Airports to DIO
- List of Nearest Airports to DIO
- Map of Furthest Airports from DIO
- List of Furthest Airports from DIO
About this route:
A direct, nonstop flight between Sault Ste. Marie Airport (YAM), Sault Ste. Marie, Ontario, Canada and Diomede Heliport (FAA: DM2) (DIO), Diomede, Alaska, United States would travel a Great Circle distance of 3,211 miles (or 5,168 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 Sault Ste. Marie Airport and Diomede Heliport (FAA: DM2), 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 Sault Ste. Marie Airport and Diomede Heliport (FAA: DM2). You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | YAM / CYAM |
Airport Name: | Sault Ste. Marie Airport |
Location: | Sault Ste. Marie, Ontario, Canada |
GPS Coordinates: | 46°29'5"N by 84°30'33"W |
Operator/Owner: | Sault Ste. Marie Airport Development Corporation |
Airport Type: | Public |
Elevation: | 632 feet (193 meters) |
# of Runways: | 2 |
View all routes: | Routes from YAM |
More Information: | YAM Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | DIO / |
Airport Name: | Diomede Heliport (FAA: DM2) |
Location: | Diomede, Alaska, United States |
GPS Coordinates: | 65°45'29"N by 168°57'6"W |
Elevation: | 0 feet (0 meters) |
View all routes: | Routes from DIO |
More Information: | DIO Maps & Info |
Facts about Sault Ste. Marie Airport (YAM):
- In 2010, the airport ranked 34th among Canadian airports for total number of aircraft movements, with 51,279 movements.
- Sault Ste. Marie Airport (YAM) has 2 runways.
- The closest airport to Sault Ste. Marie Airport (YAM) is Chippewa County International Airport (CIU), which is located only 16 miles (26 kilometers) S of YAM.
- Because of Sault Ste. Marie Airport's relatively low elevation of 632 feet, planes can take off or land at Sault Ste. Marie 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 is classified as an airport of entry by NAV CANADA and is staffed by the Canada Border Services Agency.
- The furthest airport from Sault Ste. Marie Airport (YAM) is Margaret River Airport (MGV), which is located 11,093 miles (17,853 kilometers) away in Margaret River, Western Australia, Australia.
Facts about Diomede Heliport (FAA: DM2) (DIO):
- Employment on the island is mostly limited to the city, post office and school.
- In the city the population was spread out with 43.8% under the age of 18, 7.5% from 18 to 24, 25.3% from 25 to 44, 17.1% from 45 to 64, and 6.2% who were 65 years of age or older.
- The Little Diomede island is composed of Cretaceous age granite or quartz monzonite.
- The closest airport to Diomede Heliport (FAA: DM2) (DIO) is Wales Airport (WAA), which is located 26 miles (42 kilometers) ESE of DIO.
- Water for winter use is drawn from a mountain spring, then treated and stored in 434,000-U.S.-gallon storage tanks.
- Because of Diomede Heliport (FAA: DM2)'s relatively low elevation of 0 feet, planes can take off or land at Diomede Heliport (FAA: DM2) 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.
- At the beginning of the Cold War in the late 1940s Big Diomede became a Russian military base and all its native residents were removed to mainland Russia.
- The furthest airport from Diomede Heliport (FAA: DM2) (DIO) is Teniente Rodolfo Marsh Airport (TNM), which is located 10,411 miles (16,755 kilometers) away in Villa Las Estrellas, Antarctica.