Nonstop flight route between San Juan Island, Washington, United States and St. Helens, Tasmania, Australia:
Departure Airport:

Arrival Airport:

Distance from RCE to HLS:
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- About this route
- RCE Airport Information
- HLS Airport Information
- Facts about RCE
- Facts about HLS
- Map of Nearest Airports to RCE
- List of Nearest Airports to RCE
- Map of Furthest Airports from RCE
- List of Furthest Airports from RCE
- Map of Nearest Airports to HLS
- List of Nearest Airports to HLS
- Map of Furthest Airports from HLS
- List of Furthest Airports from HLS
About this route:
A direct, nonstop flight between Roche Harbor Seaplane Base (RCE), San Juan Island, Washington, United States and St Helens Airport (HLS), St. Helens, Tasmania, Australia would travel a Great Circle distance of 8,214 miles (or 13,219 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 Roche Harbor Seaplane Base and St Helens 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 Roche Harbor Seaplane Base and St Helens Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | RCE / |
Airport Names: |
|
Location: | San Juan Island, Washington, United States |
GPS Coordinates: | 48°36'29"N by 123°9'34"W |
Area Served: | Roche Harbor, Washington |
Operator/Owner: | Roche Harbor Resort |
Airport Type: | Public |
Elevation: | 0 feet (0 meters) |
# of Runways: | 2 |
View all routes: | Routes from RCE |
More Information: | RCE Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | HLS / YSTH |
Airport Name: | St Helens Airport |
Location: | St. Helens, Tasmania, Australia |
GPS Coordinates: | 41°20'12"S by 148°16'54"E |
Operator/Owner: | Break O'Day Council |
Airport Type: | Public |
Elevation: | 158 feet (48 meters) |
# of Runways: | 1 |
View all routes: | Routes from HLS |
More Information: | HLS Maps & Info |
Facts about Roche Harbor Seaplane Base (RCE):
- In addition to being known as "Roche Harbor Seaplane Base", another name for RCE is "W39".
- Roche Harbor Seaplane Base (RCE) has 2 runways.
- The furthest airport from Roche Harbor Seaplane Base (RCE) is Tôlanaro Airport (FTU), which is located 10,722 miles (17,256 kilometers) away in Tôlanaro, Madagascar.
- Because of Roche Harbor Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Roche Harbor Seaplane Base 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 closest airport to Roche Harbor Seaplane Base (RCE) is Friday Harbor Seaplane Base (FBS), which is located only 8 miles (14 kilometers) SE of RCE.
Facts about St Helens Airport (HLS):
- The furthest airport from St Helens Airport (HLS) is Corvo Airport (CVU), which is nearly antipodal to St Helens Airport (meaning St Helens Airport is almost on the exact opposite side of the Earth from Corvo Airport), and is located 12,317 miles (19,823 kilometers) away in Corvo Island, Azores, Portugal.
- Because of St Helens Airport's relatively low elevation of 158 feet, planes can take off or land at St Helens 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.
- The closest airport to St Helens Airport (HLS) is Launceston Airport (LST), which is located 57 miles (92 kilometers) WSW of HLS.
- St Helens Airport (HLS) currently has only 1 runway.