Nonstop flight route between Hayward, California, United States and Uganik Island, United States:
Departure Airport:

Arrival Airport:

Distance from HWD to UGI:
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- About this route
- HWD Airport Information
- UGI Airport Information
- Facts about HWD
- Facts about UGI
- Map of Nearest Airports to HWD
- List of Nearest Airports to HWD
- Map of Furthest Airports from HWD
- List of Furthest Airports from HWD
- Map of Nearest Airports to UGI
- List of Nearest Airports to UGI
- Map of Furthest Airports from UGI
- List of Furthest Airports from UGI
About this route:
A direct, nonstop flight between Hayward Executive Airport (HWD), Hayward, California, United States and San Juan (Uganik) Seaplane Base (UGI), Uganik Island, United States would travel a Great Circle distance of 1,975 miles (or 3,178 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 relatively short distance between Hayward Executive Airport and San Juan (Uganik) Seaplane Base, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | HWD / KHWD |
Airport Names: |
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Location: | Hayward, California, United States |
GPS Coordinates: | 37°39'32"N by 122°7'18"W |
Area Served: | Hayward, California |
Operator/Owner: | City of Hayward |
Airport Type: | Public |
Elevation: | 52 feet (16 meters) |
# of Runways: | 2 |
View all routes: | Routes from HWD |
More Information: | HWD Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | UGI / |
Airport Names: |
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Location: | Uganik Island, United States |
GPS Coordinates: | 57°43'49"N by 153°19'14"W |
Area Served: | San Juan (Uganik), Alaska |
Operator/Owner: | San Juan Fishing & Packing Co. |
Airport Type: | Public |
Elevation: | 0 feet (0 meters) |
# of Runways: | 1 |
View all routes: | Routes from UGI |
More Information: | UGI Maps & Info |
Facts about Hayward Executive Airport (HWD):
- The North American P-51D Mustang and later the P-51H were flown from 1948 until October 31, 1954.
- The closest airport to Hayward Executive Airport (HWD) is Oakland International Airport (OAK), which is located only 7 miles (11 kilometers) NW of HWD.
- The furthest airport from Hayward Executive Airport (HWD) is Tôlanaro Airport (FTU), which is located 11,354 miles (18,273 kilometers) away in Tôlanaro, Madagascar.
- Because of Hayward Executive Airport's relatively low elevation of 52 feet, planes can take off or land at Hayward Executive 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 "Hayward Executive Airport", another name for HWD is "(former Hayward Army Airfield)".
- Hayward Executive Airport (HWD) has 2 runways.
- On May 1, 1980 the remaining California Air National Guard units at Hayward were reassigned to Naval Air Station Moffett Field near San Jose.
Facts about San Juan (Uganik) Seaplane Base (UGI):
- The furthest airport from San Juan (Uganik) Seaplane Base (UGI) is Port Elizabeth International Airport (PLZ), which is located 10,795 miles (17,373 kilometers) away in Port Elizabeth, South Africa.
- 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 San Juan (Uganik) Seaplane Base (UGI) is West Point Village Seaplane Base (KWP), which is located only 9 miles (14 kilometers) WNW of UGI.
- Because of San Juan (Uganik) Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at San Juan (Uganik) 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.
- San Juan (Uganik) Seaplane Base (UGI) currently has only 1 runway.
- In addition to being known as "San Juan (Uganik) Seaplane Base", other names for UGI include "WSJ / UGI" and "WSJ".