Nonstop flight route between Ithaca, New York, United States and Diomede, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from ITH to DIO:
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- About this route
- ITH Airport Information
- DIO Airport Information
- Facts about ITH
- Facts about DIO
- Map of Nearest Airports to ITH
- List of Nearest Airports to ITH
- Map of Furthest Airports from ITH
- List of Furthest Airports from ITH
- 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 Ithaca Tompkins Regional Airport (ITH), Ithaca, New York, United States and Diomede Heliport (FAA: DM2) (DIO), Diomede, Alaska, United States would travel a Great Circle distance of 3,657 miles (or 5,886 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 Ithaca Tompkins Regional 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 Ithaca Tompkins Regional 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: | ITH / KITH |
Airport Name: | Ithaca Tompkins Regional Airport |
Location: | Ithaca, New York, United States |
GPS Coordinates: | 42°29'29"N by 76°27'30"W |
Area Served: | Ithaca, New York |
Operator/Owner: | Tompkins County |
Airport Type: | Public |
Elevation: | 1099 feet (335 meters) |
# of Runways: | 2 |
View all routes: | Routes from ITH |
More Information: | ITH 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 Ithaca Tompkins Regional Airport (ITH):
- The closest airport to Ithaca Tompkins Regional Airport (ITH) is Cortland County Airport (CTX), which is located only 14 miles (23 kilometers) ENE of ITH.
- In 1994 the runway was extended from 5,801 feet to its present 6,977 feet and a new, 33,000 square foot terminal building opened, replacing the cramped original building.
- The furthest airport from Ithaca Tompkins Regional Airport (ITH) is Margaret River Airport (MGV), which is located 11,576 miles (18,630 kilometers) away in Margaret River, Western Australia, Australia.
- Starting on March 24, 2012, US Airways Express ended all service between Ithaca and New York-LaGuardia as part of a slot-exchange deal with Delta.
- Ithaca Tompkins Regional Airport (ITH) has 2 runways.
Facts about Diomede Heliport (FAA: DM2) (DIO):
- The United States purchased Alaska from Russia in 1867 which included the Little Diomede.
- Today there are about 30 buildings on the island, including the residential housing that was mainly built in the 1970s and 1980s.
- An electric system was built on the island in the 1970s and electricity is provided by city-operated Diomede Joint Utilities.
- 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.
- Employment on the island is mostly limited to the city, post office and school.
- After the Cold War ended in the early 1990s, an interest of reuniting with families across the Bering Strait revived.
- The closest airport to Diomede Heliport (FAA: DM2) (DIO) is Wales Airport (WAA), which is located 26 miles (42 kilometers) ESE of DIO.
- 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.