Nonstop flight route between Alta, Norway and Portland, Oregon, United States:
Departure Airport:
 
    Arrival Airport:
 
    Distance from ALF to TTD:
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- About this route
- ALF Airport Information
- TTD Airport Information
- Facts about ALF
- Facts about TTD
- Map of Nearest Airports to ALF
- List of Nearest Airports to ALF
- Map of Furthest Airports from ALF
- List of Furthest Airports from ALF
- 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 Alta Airport (ALF), Alta, Norway and Portland-Troutdale Airport (TTD), Portland, Oregon, United States would travel a Great Circle distance of 4,270 miles (or 6,873 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 Alta 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 Alta 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: | ALF / ENAT | 
| Airport Names: | 
 | 
| Location: | Alta, Norway | 
| GPS Coordinates: | 69°58'33"N by 23°22'18"E | 
| Area Served: | Alta, Norway | 
| Operator/Owner: | Avinor | 
| Airport Type: | Public | 
| Elevation: | 10 feet (3 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from ALF | 
| More Information: | ALF 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 Alta Airport (ALF):
- The furthest airport from Alta Airport (ALF) is Chatham Islands (CHT), which is located 10,502 miles (16,901 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- Alta Airport (ALF) currently has only 1 runway.
- The airport is located at Elvebakken and Altagård, on the southern shore of the Altafjord and at the mouth of the river of Altaelva, which is about 4 kilometers east of Bossekop in the town of Alta.
- Services were at first operated by Scandinavian Airlines System.
- Alta Airport handled 353,051 passengers last year.
- The closest airport to Alta Airport (ALF) is Lakselv Airport, Banak (LKL), which is located 38 miles (62 kilometers) E of ALF.
- The location in Elvebakken was somewhat controversial in Alta, especially as the airport would be located so close to the town center, potentially causing noise pollution.
- In addition to being known as "Alta Airport", another name for ALF is "Alta lufthavn".
- A proposal by a consultant company, ordered by the Ministry of Transport and Communications in 2011, suggested that starting in 2013 the subsidized routes in Finnmark should follow a coastal route, leaving those to Kirkenes and the county capital of Vadsø as the only subsidized routes remaining at Alta.
- The first airport in Alta was built by the Wehrmacht during the German occupation of Norway.
- Because of Alta Airport's relatively low elevation of 10 feet, planes can take off or land at Alta 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.
Facts about Portland-Troutdale Airport (TTD):
- 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.
- The airport was purchased by the Port of Portland in 1942, serving as a reliever airport for nearby Portland International Airport until the 1950s.
- Portland-Troutdale Airport covers an area of 284 acres at an elevation of 39 feet above mean sea level.
- 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.




