Nonstop flight route between Hillsboro / Portland, Oregon, United States and Kirkwall, Orkney Islands, United Kingdom:
Departure Airport:
(45°32'25"N by 122°56'59"W)
Arrival Airport:
(58°57'29"N by 2°54'2"W)
Distance from HIO to KOI:
4,455.81 miles (7,170.91 km)
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Jump to:
- About this route
- HIO Airport Information
- KOI Airport Information
- Facts about HIO
- Facts about KOI
- Map of Nearest Airports to HIO
- List of Nearest Airports to HIO
- Map of Furthest Airports from HIO
- List of Furthest Airports from HIO
- Map of Nearest Airports to KOI
- List of Nearest Airports to KOI
- Map of Furthest Airports from KOI
- List of Furthest Airports from KOI
About this route:
A direct, nonstop flight between Portland-Hillsboro Airport (HIO), Hillsboro / Portland, Oregon, United States and Kirkwall Airport (KOI), Kirkwall, Orkney Islands, United Kingdom would travel a Great Circle distance of 4,456 miles (or 7,171 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 Portland-Hillsboro Airport and Kirkwall 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 Portland-Hillsboro Airport and Kirkwall Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | HIO / KHIO |
| Airport Name: | Portland-Hillsboro Airport |
| Location: | Hillsboro / Portland, Oregon, United States |
| GPS Coordinates: | 45°32'25"N by 122°56'59"W |
| Operator/Owner: | Port of Portland |
| Airport Type: | Public |
| Elevation: | 204 feet (62 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from HIO |
| More Information: | HIO Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | KOI / EGPA |
| Airport Name: | Kirkwall Airport |
| Location: | Kirkwall, Orkney Islands, United Kingdom |
| GPS Coordinates: | 58°57'29"N by 2°54'2"W |
| Area Served: | Mainland, Orkney |
| Operator/Owner: | Highlands and Islands Airports Limited |
| Airport Type: | Public |
| Elevation: | 58 feet (18 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from KOI |
| More Information: | KOI Maps & Info |
Facts about Portland-Hillsboro Airport (HIO):
- The closest airport to Portland-Hillsboro Airport (HIO) is Portland International Airport (PDX), which is located only 17 miles (28 kilometers) E of HIO.
- Facilities include a 6,600-foot runway, a 4,049-foot runway, and an FAA control tower.
- The furthest airport from Portland-Hillsboro Airport (HIO) is Tôlanaro Airport (FTU), which is located 10,913 miles (17,563 kilometers) away in Tôlanaro, Madagascar.
- Portland-Hillsboro Airport (HIO) has 2 runways.
- Because of Portland-Hillsboro Airport's relatively low elevation of 204 feet, planes can take off or land at Portland-Hillsboro 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.
- A Horizon Air plane was hijacked on May 2, 1986, en route from Eugene to Portland, with the pilot able to convince the hijacker to allow the plane to land at HIO where the hijacker was arrested.
Facts about Kirkwall Airport (KOI):
- The furthest airport from Kirkwall Airport (KOI) is Ryan's Creek Aerodrome (SZS), which is located 11,525 miles (18,548 kilometers) away in Stewart Island, New Zealand.
- Kirkwall Airport handled 145,897 passengers last year.
- Because of Kirkwall Airport's relatively low elevation of 58 feet, planes can take off or land at Kirkwall 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.
- Kirkwall Airport (KOI) has 2 runways.
- The closest airport to Kirkwall Airport (KOI) is Stronsay Airport (SOY), which is located only 16 miles (26 kilometers) NE of KOI.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 17.37 miles (27.95 km) E | Portland International Airport (PDX) | Portland, Oregon, United States |     |
| 2 | 26.56 miles (42.74 km) E | Portland-Troutdale Airport (TTD) | Portland, Oregon, United States | |
| 3 | 39.99 miles (64.36 km) N | Southwest Washington Regional Airport (KLS) | Kelso, Washington, United States | |
| 4 | 43.67 miles (70.28 km) S | McNary Field (SLE) | Salem, Oregon, United States | |
| 5 | 52.62 miles (84.68 km) E | Cascade Locks State Airport (CZK) | Cascade Locks, Oregon, United States | |
| 6 | 54.49 miles (87.69 km) WSW | Pacific City State Airport (PFC) | Pacific City, Oregon, United States | |
| 7 | 61.80 miles (99.46 km) NW | Astoria Regional Airport (AST) | Astoria, Oregon, United States | |
| 8 | 65.09 miles (104.76 km) N | South Lewis County Airport (TDO) | Toledo, Washington, United States | |
| 9 | 73.96 miles (119.03 km) SSW | Corvallis Municipal Airport (CVO) | Corvallis, Oregon, United States | |
| 10 | 85.58 miles (137.73 km) SW | Newport Municipal Airport (ONP) | Newport, Oregon, United States | |
| 11 | 86.37 miles (139.00 km) E | Columbia Gorge Regional Airport (DLS) | The Dalles, Oregon, United States | |
| 12 | 98.76 miles (158.94 km) N | Olympia Regional Airport (OLM) | Olympia, Washington, United States | |
| 13 | 98.81 miles (159.02 km) S | Eugene Airport (EUG) | Eugene, Oregon, United States | |
| 14 | 106.18 miles (170.88 km) SE | Madras Municipal AirportMadras Army Airfield (MDJ) | Madras, Oregon, United States | |
| 15 | 107.77 miles (173.43 km) N | Gray Army Airfield (GRF) | Tacoma, Washington, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,913.06 miles (17,562.83 km) SSE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 2 | 10,841.79 miles (17,448.13 km) SSE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 3 | 10,760.92 miles (17,317.97 km) S | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 4 | 10,731.40 miles (17,270.47 km) S | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 5 | 10,701.47 miles (17,222.30 km) S | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 6 | 10,684.52 miles (17,195.02 km) SSE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |
| 7 | 10,680.66 miles (17,188.81 km) ESE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 8 | 10,679.29 miles (17,186.61 km) SSE | Fianarantsoa Airport (WFI) | Fianarantsoa, Madagascar | |
| 9 | 10,665.10 miles (17,163.77 km) ESE | East London Airport (ELS) | East London, South Africa | |
| 10 | 10,653.79 miles (17,145.56 km) ESE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 11 | 10,651.04 miles (17,141.15 km) ESE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 12 | 10,643.38 miles (17,128.82 km) ESE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 13 | 10,641.11 miles (17,125.16 km) SSE | Andavadoaka Airport (DVD) | Andavadoaka, Toliara province, Atsimo-Andrefana region, Madagascar | |
| 14 | 10,638.69 miles (17,121.27 km) ESE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 15 | 10,625.08 miles (17,099.37 km) ESE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 16.45 miles (26.47 km) NE | Stronsay Airport (SOY) | Stronsay, Scotland, United Kingdom | |
| 2 | 16.70 miles (26.87 km) NNE | Eday Airport (EOI) | Eday, Scotland, United Kingdom | |
| 3 | 23.23 miles (37.39 km) NNE | Sanday Airport (NDY) | Sanday, Scotland, United Kingdom | |
| 4 | 35.17 miles (56.61 km) SSW | Wick Airport (WIC) | Wick, Scotland, United Kingdom | |
| 5 | 60.06 miles (96.65 km) NE | Fair Isle Airport (FIE) | Fair Isle, Scotland, United Kingdom | |
| 6 | 85.20 miles (137.11 km) NE | Sumburgh Airport (LSI) | Shetland, Scotland, United Kingdom | |
| 7 | 88.01 miles (141.64 km) S | RAF Lossiemouth (LMO) | Lossiemouth, Scotland, United Kingdom | |
| 8 | 93.54 miles (150.53 km) SSW | Kinloss Barracks (FSS) | Forres, Scotland, United Kingdom | |
| 9 | 103.09 miles (165.91 km) NNE | Tingwall Airport (LWK) | Lerwick, Scotland, United Kingdom | |
| 10 | 106.32 miles (171.11 km) SSW | Inverness Airport (INV) | Inverness, Scotland, United Kingdom | |
| 11 | 116.23 miles (187.05 km) NNE | Scatsta Airport (SCS) | Shetland Islands, Scotland, United Kingdom | |
| 12 | 123.98 miles (199.53 km) SSE | Aberdeen International Airport (ABZ) | Aberdeen, Scotland, United Kingdom | |
| 13 | 133.75 miles (215.25 km) WSW | Stornoway Airport (SYY) | Stornoway, Scotland, United Kingdom | |
| 14 | 173.18 miles (278.70 km) S | Dundee Airport (DND) | Dundee, Scotland, United Kingdom | |
| 15 | 174.78 miles (281.28 km) S | Perth Airport (PSL) | Perth, Scotland, United Kingdom | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,525.13 miles (18,547.85 km) SSE | Ryan's Creek Aerodrome (SZS) | Stewart Island, New Zealand | |
| 2 | 11,496.94 miles (18,502.49 km) SSE | Invercargill Airport (IVC) | Invercargill, New Zealand | |
| 3 | 11,491.97 miles (18,494.48 km) SSE | Dunedin International Airport (DUD) | Dunedin, Otago, New Zealand | |
| 4 | 11,437.92 miles (18,407.51 km) SSE | Oamaru Airport (OAM) | Oamaru, North Otago, New Zealand | |
| 5 | 11,433.55 miles (18,400.47 km) SSE | Alexandra Aerodrome (ALR) | Alexandra, New Zealand | |
| 6 | 11,412.12 miles (18,365.98 km) SSE | Queenstown Airport (ZQN) | Queenstown, New Zealand | |
| 7 | 11,399.34 miles (18,345.41 km) SSE | Wanaka Airport (WKA) | Wanaka, New Zealand | |
| 8 | 11,394.33 miles (18,337.35 km) SSE | Richard Pearse Airport (Timaru Airport) (TIU) | Timaru, New Zealand | |
| 9 | 11,377.14 miles (18,309.69 km) SSE | Milford Sound Airport (MFN) | Milford Sound, New Zealand | |
| 10 | 11,372.65 miles (18,302.46 km) SSE | Ashburton Aerodrome (ASG) | Ashburton, New Zealand | |
| 11 | 11,355.77 miles (18,275.30 km) SSE | Glentanner Aerodrome (GTN) | Mount Cook, New Zealand | |
| 12 | 11,355.13 miles (18,274.27 km) SSW | Chatham Islands (CHT) | Waitangi, Chatham Islands, New Zealand | |
| 13 | 11,350.53 miles (18,266.86 km) SSE | Christchurch International Airport (CHC) | Christchurch, New Zealand | |
| 14 | 11,346.46 miles (18,260.31 km) SSE | Mount Cook Airport (MON) | Mount Cook, New Zealand | |
| 15 | 11,324.63 miles (18,225.18 km) SSE | Fox Glacier Aerodrome (FGL) | Fox Glacier, New Zealand | |