Nonstop flight route between Port Williams, Kodiak Island Borough, Alaska, United States and Cairns, Queensland, Australia:
Departure Airport:

Arrival Airport:

Distance from KPR to CNS:
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- About this route
- KPR Airport Information
- CNS Airport Information
- Facts about KPR
- Facts about CNS
- Map of Nearest Airports to KPR
- List of Nearest Airports to KPR
- Map of Furthest Airports from KPR
- List of Furthest Airports from KPR
- Map of Nearest Airports to CNS
- List of Nearest Airports to CNS
- Map of Furthest Airports from CNS
- List of Furthest Airports from CNS
About this route:
A direct, nonstop flight between Port Williams Seaplane Base (KPR), Port Williams, Kodiak Island Borough, Alaska, United States and Cairns Airport (CNS), Cairns, Queensland, Australia would travel a Great Circle distance of 6,259 miles (or 10,073 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 Port Williams Seaplane Base and Cairns 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 Port Williams Seaplane Base and Cairns Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | KPR / |
Airport Name: | Port Williams Seaplane Base |
Location: | Port Williams, Kodiak Island Borough, Alaska, United States |
GPS Coordinates: | 58°29'24"N by 152°34'55"W |
Area Served: | Port Williams, Alaska |
Operator/Owner: | Washington Fish & Oyster |
Airport Type: | Public |
Elevation: | 0 feet (0 meters) |
# of Runways: | 1 |
View all routes: | Routes from KPR |
More Information: | KPR Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | CNS / YBCS |
Airport Name: | Cairns Airport |
Location: | Cairns, Queensland, Australia |
GPS Coordinates: | 16°53'12"S by 145°45'17"E |
Area Served: | Cairns, Queensland, Australia |
Operator/Owner: | North Queensland Airports Group |
Airport Type: | Public |
Elevation: | 10 feet (3 meters) |
# of Runways: | 1 |
View all routes: | Routes from CNS |
More Information: | CNS Maps & Info |
Facts about Port Williams Seaplane Base (KPR):
- Port Williams Seaplane Base (KPR) currently has only 1 runway.
- The furthest airport from Port Williams Seaplane Base (KPR) is Port Elizabeth International Airport (PLZ), which is located 10,742 miles (17,287 kilometers) away in Port Elizabeth, South Africa.
- Because of Port Williams Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Port Williams 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.
- Scheduled passenger service to Kodiak, Alaska, is subsidized by the United States Department of Transportation via the Essential Air Service program.
- The closest airport to Port Williams Seaplane Base (KPR) is Kitoi Bay Seaplane Base (KKB), which is located 22 miles (35 kilometers) SSE of KPR.
Facts about Cairns Airport (CNS):
- Cairns Airport handled 3,848,728 passengers last year.
- The airport has a single runway which is 3,156 m long.
- During World War II the Australian Government bought the airport for use by the Royal Australian Air Force.
- The furthest airport from Cairns Airport (CNS) is Agostinho Neto Airport (NTO), which is located 11,832 miles (19,041 kilometers) away in Ponta do Sol, Santo Antão, Cape Verde.
- The closest airport to Cairns Airport (CNS) is Mareeba Airfield (MRG), which is located 26 miles (41 kilometers) WSW of CNS.
- Because of Cairns Airport's relatively low elevation of 10 feet, planes can take off or land at Cairns 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.
- Cairns Airport (CNS) currently has only 1 runway.
- A$200 million redevelopment of the Domestic terminal started in August 2007 and was completed in 2010.