Nonstop flight route between Okushiri, Okushiri Island, Hokkaido, Japan and Portland, Oregon, United States:
Departure Airport:
Arrival Airport:
Distance from OIR to TTD:
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- About this route
 - OIR Airport Information
 - TTD Airport Information
 - Facts about OIR
 - Facts about TTD
 - Map of Nearest Airports to OIR
 - List of Nearest Airports to OIR
 - Map of Furthest Airports from OIR
 - List of Furthest Airports from OIR
 - Map of Nearest Airports to TTD
 - List of Nearest Airports to TTD
 - Map of Furthest Airports from TTD
 - List of Furthest Airports from TTD
 
About this route:
A direct, nonstop flight between Okushiri Airport (OIR), Okushiri, Okushiri Island, Hokkaido, Japan and Portland-Troutdale Airport (TTD), Portland, Oregon, United States would travel a Great Circle distance of 4,570 miles (or 7,355 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 Okushiri Airport and Portland-Troutdale 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 Okushiri Airport and Portland-Troutdale Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | OIR / RJEO | 
| Airport Names: | 
                    
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| Location: | Okushiri, Okushiri Island, Hokkaido, Japan | 
| GPS Coordinates: | 42°4'18"N by 139°25'58"E | 
| Operator/Owner: | Hokkaidō Prefecture | 
| Airport Type: | Public | 
| Elevation: | 161 feet (49 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from OIR | 
| More Information: | OIR Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | TTD / KTTD | 
| Airport Name: | Portland-Troutdale Airport | 
| Location: | Portland, Oregon, United States | 
| GPS Coordinates: | 45°32'57"N by 122°24'3"W | 
| Area Served: | Portland, Oregon | 
| Operator/Owner: | Port of Portland | 
| Airport Type: | Public | 
| Elevation: | 39 feet (12 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from TTD | 
| More Information: | TTD Maps & Info | 
Facts about Okushiri Airport (OIR):
- The furthest airport from Okushiri Airport (OIR) is Capitán de Corbeta Carlos A. Curbelo International Airport (PDP), which is located 11,508 miles (18,520 kilometers) away in Maldonado/Punta del Este, Maldonado, Uruguay.
 - Because of Okushiri Airport's relatively low elevation of 161 feet, planes can take off or land at Okushiri 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.
 - The closest airport to Okushiri Airport (OIR) is Hakodate Airport (HKD), which is located 74 miles (120 kilometers) ESE of OIR.
 - Okushiri Airport (OIR) currently has only 1 runway.
 - In addition to being known as "Okushiri Airport", other names for OIR include "奥尻空港" and "Okushiri Kūkō".
 
Facts about Portland-Troutdale Airport (TTD):
- The closest airport to Portland-Troutdale Airport (TTD) is Portland International Airport (PDX), which is located only 10 miles (16 kilometers) WNW of TTD.
 - Portland-Troutdale Airport (TTD) currently has only 1 runway.
 - Because of Portland-Troutdale Airport's relatively low elevation of 39 feet, planes can take off or land at Portland-Troutdale 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.
 - The furthest airport from Portland-Troutdale Airport (TTD) is Tôlanaro Airport (FTU), which is located 10,901 miles (17,543 kilometers) away in Tôlanaro, Madagascar.
 - Operations at times may be limited or restricted as Portland International Airport take-off and approach paths cross directly above Troutdale Airport.
 
