Nonstop flight route between Saga, Kyūshū, Japan and Oakland (near San Francisco), California, United States:
Departure Airport:
Arrival Airport:
Distance from HSG to OAK:
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- About this route
 - HSG Airport Information
 - OAK Airport Information
 - Facts about HSG
 - Facts about OAK
 - Map of Nearest Airports to HSG
 - List of Nearest Airports to HSG
 - Map of Furthest Airports from HSG
 - List of Furthest Airports from HSG
 - Map of Nearest Airports to OAK
 - List of Nearest Airports to OAK
 - Map of Furthest Airports from OAK
 - List of Furthest Airports from OAK
 
About this route:
A direct, nonstop flight between Saga Airport (HSG), Saga, Kyūshū, Japan and Oakland International Airport (OAK), Oakland (near San Francisco), California, United States would travel a Great Circle distance of 5,680 miles (or 9,140 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 Saga Airport and Oakland International 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 Saga Airport and Oakland International Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | HSG / RJFS | 
| Airport Names: | 
                    
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| Location: | Saga, Kyūshū, Japan | 
| GPS Coordinates: | 33°8'58"N by 130°18'7"E | 
| Area Served: | Fukuoka–Kitakyushu metropolitan area | 
| Operator/Owner: | Saga Prefecture | 
| Airport Type: | Public | 
| Elevation: | 6 feet (2 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from HSG | 
| More Information: | HSG Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | OAK / KOAK | 
| Airport Name: | Oakland International Airport | 
| Location: | Oakland (near San Francisco), California, United States | 
| GPS Coordinates: | 37°43'17"N by 122°13'14"W | 
| Area Served: | East Bay, California | 
| Operator/Owner: | Port of Oakland | 
| Airport Type: | Public | 
| Elevation: | 9 feet (3 meters) | 
| # of Runways: | 4 | 
| View all routes: | Routes from OAK | 
| More Information: | OAK Maps & Info | 
Facts about Saga Airport (HSG):
- The furthest airport from Saga Airport (HSG) is Rio Grande Regional Airport (RIG), which is nearly antipodal to Saga Airport (meaning Saga Airport is almost on the exact opposite side of the Earth from Rio Grande Regional Airport), and is located 12,275 miles (19,755 kilometers) away in Rio Grande, Brazil.
 - Saga was a candidate destination to receive an additional pair of Haneda Airport slots in November 2013, but its bid was rejected by the government due to its existing four-daily service and its proximity to Fukuoka Airport.
 - In addition to being known as "Saga Airport", other names for HSG include "佐賀空港" and "Saga-kūkō".
 - Because of Saga Airport's relatively low elevation of 6 feet, planes can take off or land at Saga 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.
 - Saga Airport (HSG) currently has only 1 runway.
 - The closest airport to Saga Airport (HSG) is Nagasaki Airport (NGS), which is located 28 miles (45 kilometers) SW of HSG.
 - The governor of Saga Prefecture announced the construction of Saga Airport in January 1969, and after years of studies and negotiations, construction commenced in 1997.
 
Facts about Oakland International Airport (OAK):
- Because of Oakland International Airport's relatively low elevation of 9 feet, planes can take off or land at Oakland International 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.
 - Oakland International Airport (OAK) has 4 runways.
 - Adding to Hawaiian Airlines' service to Honolulu, Alaska Airlines added nonstop service to Kona with three flights weekly and Kahului daily.
 - The furthest airport from Oakland International Airport (OAK) is Tôlanaro Airport (FTU), which is located 11,354 miles (18,273 kilometers) away in Tôlanaro, Madagascar.
 - The closest airport to Oakland International Airport (OAK) is Hayward Executive Airport (HWD), which is located only 7 miles (11 kilometers) SE of OAK.
 - FedEx Express opened a cargo base in Oakland in 1988, which is now one of the busiest air freight terminals in the United States.
 - Even at the completion of these projects, there is already demand driving the need for additional infrastructure improvements.
 - Boeing Air Transport began scheduled flights to Oakland in December 1927.
 - Oakland International Airport is a public airport five miles south of downtown Oakland, in Alameda County, California, United States.
 
