Nonstop flight route between Okinawa Prefecture, Japan and Hartley Bay, British Columbia, Canada:
Departure Airport:
 
    Arrival Airport:
 
    Distance from DNA to YTB:
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- About this route
- DNA Airport Information
- YTB Airport Information
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- Map of Nearest Airports to DNA
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- Map of Furthest Airports from DNA
- List of Furthest Airports from DNA
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About this route:
A direct, nonstop flight between Kadena Air Base 嘉手納飛行場 Kadena Hikōjō (DNA), Okinawa Prefecture, Japan and Hartley Bay Water Aerodrome (YTB), Hartley Bay, British Columbia, Canada would travel a Great Circle distance of 5,273 miles (or 8,487 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 Kadena Air Base 嘉手納飛行場 Kadena Hikōjō and Hartley Bay Water Aerodrome, 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 Kadena Air Base 嘉手納飛行場 Kadena Hikōjō and Hartley Bay Water Aerodrome. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | DNA / RODN | 
| Airport Names: | 
 | 
| Location: | Okinawa Prefecture, Japan | 
| GPS Coordinates: | 26°21'6"N by 127°46'9"E | 
| View all routes: | Routes from DNA | 
| More Information: | DNA Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | YTB / | 
| Airport Names: | 
 | 
| Location: | Hartley Bay, British Columbia, Canada | 
| GPS Coordinates: | 53°25'1"N by 129°15'0"W | 
| Operator/Owner: | Transport Canada | 
| Airport Type: | Public | 
| Elevation: | 0 feet (0 meters) | 
| View all routes: | Routes from YTB | 
| More Information: | YTB Maps & Info | 
Facts about Kadena Air Base 嘉手納飛行場 Kadena Hikōjō (DNA):
- In addition to being known as "Kadena Air Base 嘉手納飛行場 Kadena Hikōjō", another name for DNA is "Kadena AFB".
- The furthest airport from Kadena Air Base 嘉手納飛行場 Kadena Hikōjō (DNA) is Paulo Abdala Airport (FBE), which is nearly antipodal to Kadena Air Base 嘉手納飛行場 Kadena Hikōjō (meaning Kadena Air Base 嘉手納飛行場 Kadena Hikōjō is almost on the exact opposite side of the Earth from Paulo Abdala Airport), and is located 12,381 miles (19,926 kilometers) away in Francisco Beltrao, Paraná, Brazil.
- The closest airport to Kadena Air Base 嘉手納飛行場 Kadena Hikōjō (DNA) is Naha Airport (OKA), which is located only 13 miles (21 kilometers) SW of DNA.
- The designation of the wing changed on 1 October 1991 to the 18th Wing with the implementation of the Objective Wing concept.
- Upon its reassignment to the Pacific Theater, Eighth Air Force was assigned to the U.S.
- The Korean War emphasized the need for maintaining a naval presence in Okinawa.
- At the end of the Eisenhower presidency, around 1,700 nuclear weapons were deployed on shore in the Pacific, 800 of which were at Kadena Air Base.
Facts about Hartley Bay Water Aerodrome (YTB):
- The closest airport to Hartley Bay Water Aerodrome (YTB) is Kitkatla Water Aerodrome (YKK), which is located 55 miles (89 kilometers) WNW of YTB.
- Because of Hartley Bay Water Aerodrome's relatively low elevation of 0 feet, planes can take off or land at Hartley Bay Water Aerodrome 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 "Hartley Bay Water Aerodrome", another name for YTB is "CAY4".
- The furthest airport from Hartley Bay Water Aerodrome (YTB) is Port Alfred Airport (AFD), which is located 10,633 miles (17,113 kilometers) away in Port Alfred, South Africa.




