Nonstop flight route between Helena, Montana, United States and Sandakan, Malaysia:
Departure Airport:

Arrival Airport:

Distance from HLN to SDK:
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- About this route
- HLN Airport Information
- SDK Airport Information
- Facts about HLN
- Facts about SDK
- Map of Nearest Airports to HLN
- List of Nearest Airports to HLN
- Map of Furthest Airports from HLN
- List of Furthest Airports from HLN
- Map of Nearest Airports to SDK
- List of Nearest Airports to SDK
- Map of Furthest Airports from SDK
- List of Furthest Airports from SDK
About this route:
A direct, nonstop flight between Helena Regional Airport (HLN), Helena, Montana, United States and Sandakan Airport (SDK), Sandakan, Malaysia would travel a Great Circle distance of 7,694 miles (or 12,383 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 Helena Regional Airport and Sandakan 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 Helena Regional Airport and Sandakan Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | HLN / KHLN |
Airport Names: |
|
Location: | Helena, Montana, United States |
GPS Coordinates: | 46°36'24"N by 111°58'58"W |
Area Served: | Helena, Montana |
Operator/Owner: | Helena Regional Airport Authority |
Airport Type: | Public |
Elevation: | 3877 feet (1,182 meters) |
# of Runways: | 3 |
View all routes: | Routes from HLN |
More Information: | HLN Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SDK / WBKS |
Airport Names: |
|
Location: | Sandakan, Malaysia |
GPS Coordinates: | 5°54'6"N by 118°2'54"E |
Area Served: | Sandakan Division, Sabah, East Malaysia |
Operator/Owner: | Government of Malaysia |
Airport Type: | Public |
Elevation: | 46 feet (14 meters) |
# of Runways: | 1 |
View all routes: | Routes from SDK |
More Information: | SDK Maps & Info |
Facts about Helena Regional Airport (HLN):
- The furthest airport from Helena Regional Airport (HLN) is Sir Gaëtan Duval Airport (RRG), which is located 10,563 miles (17,000 kilometers) away in Rodrigues Island, Mauritius.
- In addition to being known as "Helena Regional Airport", another name for HLN is "Helena Army Airfield".
- Helena Regional Airport covers 1,224 acres at an elevation of 3,877 feet.
- The closest airport to Helena Regional Airport (HLN) is Bert Mooney Airport (BTM), which is located 51 miles (83 kilometers) SSW of HLN.
- Helena Regional Airport (HLN) has 3 runways.
Facts about Sandakan Airport (SDK):
- Sandakan Airport (SDK) currently has only 1 runway.
- Sandakan Airport handled 911,855 passengers last year.
- The closest airport to Sandakan Airport (SDK) is Lahad Datu Airport (LDU), which is located 63 miles (101 kilometers) SSE of SDK.
- The furthest airport from Sandakan Airport (SDK) is Coari Airport (CIZ), which is nearly antipodal to Sandakan Airport (meaning Sandakan Airport is almost on the exact opposite side of the Earth from Coari Airport), and is located 12,290 miles (19,779 kilometers) away in Coari, Amazonas, Brazil.
- Because of Sandakan Airport's relatively low elevation of 46 feet, planes can take off or land at Sandakan 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 "Sandakan Airport", other names for SDK include "Lapangan Terbang Sandakan" and "山打根机场".