Nonstop flight route between Diomede, Alaska, United States and Madison, Wisconsin, United States:
Departure Airport:

Arrival Airport:

Distance from DIO to MSN:
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- About this route
- DIO Airport Information
- MSN Airport Information
- Facts about DIO
- Facts about MSN
- Map of Nearest Airports to DIO
- List of Nearest Airports to DIO
- Map of Furthest Airports from DIO
- List of Furthest Airports from DIO
- Map of Nearest Airports to MSN
- List of Nearest Airports to MSN
- Map of Furthest Airports from MSN
- List of Furthest Airports from MSN
About this route:
A direct, nonstop flight between Diomede Heliport (FAA: DM2) (DIO), Diomede, Alaska, United States and Dane County Regional Airport (MSN), Madison, Wisconsin, United States would travel a Great Circle distance of 3,272 miles (or 5,265 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 Diomede Heliport (FAA: DM2) and Dane County Regional 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 Diomede Heliport (FAA: DM2) and Dane County Regional Airport. You'll see that it will travel the same route of the red line on this map!
Departure 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 |
Arrival Airport Information:
IATA / ICAO Codes: | MSN / KMSN |
Airport Names: |
|
Location: | Madison, Wisconsin, United States |
GPS Coordinates: | 43°8'22"N by 89°20'15"W |
Area Served: | Madison, Wisconsin |
Airport Type: | Public |
Elevation: | 887 feet (270 meters) |
# of Runways: | 3 |
View all routes: | Routes from MSN |
More Information: | MSN Maps & Info |
Facts about Diomede Heliport (FAA: DM2) (DIO):
- The first square building in the island was a small Catholic church, which was planned by Father Bellarmine Lafortune in 1935 and built by Father Thomas Cunningham during his residency in the island between 1936 and 1947.
- There is no hospital on the island and emergency services are limited due to the remoteness of the island.
- 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 closest airport to Diomede Heliport (FAA: DM2) (DIO) is Wales Airport (WAA), which is located 26 miles (42 kilometers) ESE of DIO.
- Despite being separated by the new border after the Alaska purchase in 1867, Big Diomede had been home to families now living on Little Diomede and the people living on the American side of the border were very close relatives to those living on the Russian side.
- 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.
- 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.
- During the Nome gold rush at the turn of the 19th century, Diomede villagers traveled to Nome along with the gold seekers, even though Nome was not a native village.
Facts about Dane County Regional Airport (MSN):
- Dane County Regional Airport (MSN) has 3 runways.
- The furthest airport from Dane County Regional Airport (MSN) is Margaret River Airport (MGV), which is located 10,978 miles (17,667 kilometers) away in Margaret River, Western Australia, Australia.
- Dane County Regional Airport handled 1,615,841 passengers last year.
- The closest airport to Dane County Regional Airport (MSN) is Dodge County Airport (UNU), which is located 38 miles (60 kilometers) ENE of MSN.
- Because of Dane County Regional Airport's relatively low elevation of 887 feet, planes can take off or land at Dane County Regional 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.
- In addition to being known as "Dane County Regional Airport", another name for MSN is "Truax Field".
- A 31,000 square foot terminal building was built on the west side of the airfield.