Nonstop flight route between Mason City, Iowa, United States and Diomede, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from MCW to DIO:
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- About this route
- MCW Airport Information
- DIO Airport Information
- Facts about MCW
- Facts about DIO
- Map of Nearest Airports to MCW
- List of Nearest Airports to MCW
- Map of Furthest Airports from MCW
- List of Furthest Airports from MCW
- 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 Mason City Municipal Airport (MCW), Mason City, Iowa, United States and Diomede Heliport (FAA: DM2) (DIO), Diomede, Alaska, United States would travel a Great Circle distance of 3,159 miles (or 5,085 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 Mason City Municipal 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 Mason City Municipal 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: | MCW / KMCW |
Airport Name: | Mason City Municipal Airport |
Location: | Mason City, Iowa, United States |
GPS Coordinates: | 43°9'28"N by 93°19'51"W |
Area Served: | Mason City, Iowa |
Operator/Owner: | City of Mason City |
Airport Type: | Public |
Elevation: | 1214 feet (370 meters) |
# of Runways: | 2 |
View all routes: | Routes from MCW |
More Information: | MCW 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 Mason City Municipal Airport (MCW):
- Mason City Municipal Airport (MCW) has 2 runways.
- The closest airport to Mason City Municipal Airport (MCW) is Forest City Municipal Airport (FXY), which is located only 16 miles (25 kilometers) WNW of MCW.
- As per the Federal Aviation Administration, this airport had 11,678 passenger boardings in calendar year 2008, 11,076 in 2009, and 13,852 in 2010.
- Mason City lost all commercial service following the pullout of Great Lakes Airlines on January 31, 2014.
- The furthest airport from Mason City Municipal Airport (MCW) is Margaret River Airport (MGV), which is located 10,784 miles (17,354 kilometers) away in Margaret River, Western Australia, Australia.
Facts about Diomede Heliport (FAA: DM2) (DIO):
- The closest airport to Diomede Heliport (FAA: DM2) (DIO) is Wales Airport (WAA), which is located 26 miles (42 kilometers) ESE of DIO.
- 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.
- The median income for a household in the city was $23,750, and the median income for a family was $24,583.
- 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.
- Funds for improving the water system have been requested both by the city and the school.
- 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.
- The school year 1953–1954 in Little Diomede Island was adapted to better serve the local needs.
- The United States purchased Alaska from Russia in 1867 which included the Little Diomede.
- On 7 November 2009, it was announced that one inhabitant was infected with H1N1 swine flu.
- The Little Diomede island is composed of Cretaceous age granite or quartz monzonite.