Nonstop flight route between Hillsboro / Portland, Oregon, United States and Charlotte Amalie, Saint Thomas, U.S. Virgin Islands:
Departure Airport:

Arrival Airport:

Distance from HIO to SPB:
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- About this route
- HIO Airport Information
- SPB Airport Information
- Facts about HIO
- Facts about SPB
- Map of Nearest Airports to HIO
- List of Nearest Airports to HIO
- Map of Furthest Airports from HIO
- List of Furthest Airports from HIO
- Map of Nearest Airports to SPB
- List of Nearest Airports to SPB
- Map of Furthest Airports from SPB
- List of Furthest Airports from SPB
About this route:
A direct, nonstop flight between Portland-Hillsboro Airport (HIO), Hillsboro / Portland, Oregon, United States and Charlotte Amalie Harbor Seaplane Base (SPB), Charlotte Amalie, Saint Thomas, U.S. Virgin Islands would travel a Great Circle distance of 3,785 miles (or 6,091 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 Portland-Hillsboro Airport and Charlotte Amalie Harbor Seaplane Base, 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 Portland-Hillsboro Airport and Charlotte Amalie Harbor Seaplane Base. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | HIO / KHIO |
Airport Name: | Portland-Hillsboro Airport |
Location: | Hillsboro / Portland, Oregon, United States |
GPS Coordinates: | 45°32'25"N by 122°56'59"W |
Operator/Owner: | Port of Portland |
Airport Type: | Public |
Elevation: | 204 feet (62 meters) |
# of Runways: | 2 |
View all routes: | Routes from HIO |
More Information: | HIO Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SPB / |
Airport Names: |
|
Location: | Charlotte Amalie, Saint Thomas, U.S. Virgin Islands |
GPS Coordinates: | 18°20'18"N by 64°56'26"W |
Operator/Owner: | Virgin Islands Port Authority |
Airport Type: | Private |
Elevation: | 0 feet (0 meters) |
# of Runways: | 2 |
View all routes: | Routes from SPB |
More Information: | SPB Maps & Info |
Facts about Portland-Hillsboro Airport (HIO):
- Because of Portland-Hillsboro Airport's relatively low elevation of 204 feet, planes can take off or land at Portland-Hillsboro 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.
- Hillsboro airport goes back to as early as 1928.
- Portland-Hillsboro Airport (HIO) has 2 runways.
- The field was also considered as a possible Naval air station in 1946 and again in 1955, but was eventually rejected by the Navy.
- The closest airport to Portland-Hillsboro Airport (HIO) is Portland International Airport (PDX), which is located only 17 miles (28 kilometers) E of HIO.
- As of 2006, the Port of Portland planned to spend $134 million through 2025 to improve the Hillsboro facility.
- The furthest airport from Portland-Hillsboro Airport (HIO) is Tôlanaro Airport (FTU), which is located 10,913 miles (17,563 kilometers) away in Tôlanaro, Madagascar.
- Located in Portland's western and Washington County suburbs, Hillsboro Airport is connected to the metropolitan area by TriMet buses and the MAX Blue Line's Fair Complex/Hillsboro Airport station.
Facts about Charlotte Amalie Harbor Seaplane Base (SPB):
- Because of Charlotte Amalie Harbor Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Charlotte Amalie 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 furthest airport from Charlotte Amalie Harbor Seaplane Base (SPB) is Barrow Island Airport (BWB), which is nearly antipodal to Charlotte Amalie Harbor Seaplane Base (meaning Charlotte Amalie Harbor Seaplane Base is almost on the exact opposite side of the Earth from Barrow Island Airport), and is located 12,261 miles (19,732 kilometers) away in Barrow Island, Western Australia, Australia.
- The closest airport to Charlotte Amalie Harbor Seaplane Base (SPB) is Cyril E. King Airport (STT), which is located only 2 miles (3 kilometers) W of SPB.
- Charlotte Amalie Harbor Seaplane Base (SPB) has 2 runways.
- In addition to being known as "Charlotte Amalie Harbor Seaplane Base", other names for SPB include "St. Thomas Seaplane Base" and "VI22".