Nonstop flight route between Santo Domingo, Dominican Republic and Diomede, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from HEX to DIO:
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- About this route
- HEX Airport Information
- DIO Airport Information
- Facts about HEX
- Facts about DIO
- Map of Nearest Airports to HEX
- List of Nearest Airports to HEX
- Map of Furthest Airports from HEX
- List of Furthest Airports from HEX
- 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 Herrera International Airport (HEX), Santo Domingo, Dominican Republic and Diomede Heliport (FAA: DM2) (DIO), Diomede, Alaska, United States would travel a Great Circle distance of 5,308 miles (or 8,542 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 Herrera International 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 Herrera International 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: | HEX / MDHE |
Airport Name: | Herrera International Airport |
Location: | Santo Domingo, Dominican Republic |
GPS Coordinates: | 18°28'6"N by 69°58'13"W |
Airport Type: | Public (Closed) |
Elevation: | 22 feet (7 meters) |
# of Runways: | 1 |
View all routes: | Routes from HEX |
More Information: | HEX 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 Herrera International Airport (HEX):
- The closest airport to Herrera International Airport (HEX) is La Isabela International Airport (JBQ), which is located only 7 miles (12 kilometers) N of HEX.
- The furthest airport from Herrera International Airport (HEX) is RAAF Learmonth (LEA), which is nearly antipodal to Herrera International Airport (meaning Herrera International Airport is almost on the exact opposite side of the Earth from RAAF Learmonth), and is located 12,067 miles (19,420 kilometers) away in Exmouth, Western Australia, Australia.
- Because of Herrera International Airport's relatively low elevation of 22 feet, planes can take off or land at Herrera International 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.
- Herrera International Airport (HEX) currently has only 1 runway.
- the flights are now moved to Las Americas Int'l Airport
Facts about Diomede Heliport (FAA: DM2) (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.
- Little Diomede Island is located about 25 miles west from the mainland, in the middle of the Bering Strait.
- Today there are about 30 buildings on the island, including the residential housing that was mainly built in the 1970s and 1980s.
- The island's only school, and likely the most isolated school in the United States, the Diomede School has grades from Pre-K through 12 and approximately 40 students and 5 teachers.
- 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.
- 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.