Nonstop flight route between Hillsboro / Portland, Oregon, United States and Gunnedah, New South Wales, Australia:
Departure Airport:
(45°32'25"N by 122°56'59"W)
Arrival Airport:
(30°57'42"S by 150°15'0"E)
Distance from HIO to GUH:
7,565.15 miles (12,174.90 km)
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Jump to:
- About this route
- HIO Airport Information
- GUH Airport Information
- Facts about HIO
- Facts about GUH
- 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 GUH
- List of Nearest Airports to GUH
- Map of Furthest Airports from GUH
- List of Furthest Airports from GUH
About this route:
A direct, nonstop flight between Portland-Hillsboro Airport (HIO), Hillsboro / Portland, Oregon, United States and Gunnedah Airport (GUH), Gunnedah, New South Wales, Australia would travel a Great Circle distance of 7,565 miles (or 12,175 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 Gunnedah 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 Gunnedah 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: | GUH / YGDH |
| Airport Name: | Gunnedah Airport |
| Location: | Gunnedah, New South Wales, Australia |
| GPS Coordinates: | 30°57'42"S by 150°15'0"E |
| Operator/Owner: | Gunnedah Shire Council |
| Airport Type: | Public |
| Elevation: | 863 feet (263 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from GUH |
| More Information: | GUH Maps & Info |
Facts about Portland-Hillsboro Airport (HIO):
- The field was also considered as a possible Naval air station in 1946 and again in 1955, but was eventually rejected by the Navy.
- Hillsboro airport is often mentioned as a reliever airport for Portland International Airport.
- 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.
- As of 2006, the Port of Portland planned to spend $134 million through 2025 to improve the Hillsboro facility.
- 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.
- The closest airport to Portland-Hillsboro Airport (HIO) is Portland International Airport (PDX), which is located only 17 miles (28 kilometers) E of HIO.
Facts about Gunnedah Airport (GUH):
- Because of Gunnedah Airport's relatively low elevation of 863 feet, planes can take off or land at Gunnedah 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.
- Gunnedah Airport (GUH) has 2 runways.
- The furthest airport from Gunnedah Airport (GUH) is Santa Maria Airport (SMA), which is located 11,946 miles (19,225 kilometers) away in Santa Maria, Portugal.
- The closest airport to Gunnedah Airport (GUH) is Tamworth Airport (TMW), which is located 36 miles (59 kilometers) ESE of GUH.
| 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 | 36.48 miles (58.71 km) ESE | Tamworth Airport (TMW) | Tamworth, New South Wales, Australia | |
| 2 | 63.54 miles (102.25 km) WSW | Coonabarabran Airport (COJ) | Coonabarabran, New South Wales, Australia | |
| 3 | 67.61 miles (108.80 km) SW | Coolah Airport (CLH) | Coolah, New South Wales, Australia | |
| 4 | 86.50 miles (139.21 km) ENE | Armidale Airport (ARM) | Armidale, New South Wales, Australia | |
| 5 | 91.31 miles (146.95 km) NE | Inverell Airport (IVR) | Inverell, New South Wales, Australia | |
| 6 | 103.92 miles (167.25 km) NNW | Moree Airport (MRZ) | Moree, New South Wales, Australia | |
| 7 | 111.09 miles (178.78 km) W | Coonamble Airport (CNB) | Coonamble, New South Wales, Australia | |
| 8 | 116.80 miles (187.97 km) SSW | Mudgee Airport (DGE) | Mudgee, New South Wales, Australia | |
| 9 | 123.61 miles (198.93 km) NE | Glen Innes Airport (GLI) | Glen Innes, New South Wales, Australia | |
| 10 | 131.29 miles (211.29 km) SW | Dubbo City Regional Airport (DBO) | Dubbo, New South Wales, Australia | |
| 11 | 140.58 miles (226.25 km) SSE | Maitland Airport (MTL) | Maitland, New South Wales, Australia | |
| 12 | 140.76 miles (226.54 km) NW | Collarenebri Airport (CRB) | Collarenebri, New South Wales, Australia | |
| 13 | 141.53 miles (227.77 km) SSE | Cessnock Airport (CES) | Cessnock, New South Wales, Australia | |
| 14 | 149.40 miles (240.44 km) E | Kempsey Airport (KPS) | Kempsey, New South Wales, Australia | |
| 15 | 157.12 miles (252.85 km) SE | Newcastle Airport (NTL) | Newcastle, New South Wales, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,945.63 miles (19,224.58 km) NNW | Santa Maria Airport (SMA) | Santa Maria, Portugal | |
| 2 | 11,914.55 miles (19,174.57 km) NNW | João Paulo II Airport (PDL) | Ponta Delgada, Azores, Portugal | |
| 3 | 11,911.29 miles (19,169.32 km) N | Horta International Airport (HOR) | Horta, Azores, Portugal | |
| 4 | 11,906.97 miles (19,162.37 km) N | Pico Airport (PIX) | Pico Island, Azores, Portugal | |
| 5 | 11,877.24 miles (19,114.52 km) NNW | Lajes Air Base (TER) | Lajes, Azores, Portugal | |
| 6 | 11,866.67 miles (19,097.50 km) N | Graciosa Airport (GRW) | Graciosa Island, Azores, Portugal | |
| 7 | 11,844.61 miles (19,062.01 km) N | Flores Airport (FLW) | Flores Island, Azores, Portugal | |
| 8 | 11,830.19 miles (19,038.80 km) N | Corvo Airport (CVU) | Corvo Island, Azores, Portugal | |
| 9 | 11,700.14 miles (18,829.51 km) W | La Palma Airport (SPC) | La Palma, Canary Islands, Spain | |
| 10 | 11,666.45 miles (18,775.29 km) WNW | Madeira Airport (FNC) | Funchal, Madeira, Portugal | |
| 11 | 11,656.71 miles (18,759.61 km) WNW | La Gomera Airport (GMZ) | Alajeró / San Sebastián, Canary Islands, Spain | |
| 12 | 11,638.94 miles (18,731.00 km) WNW | Porto Santo Airport (PXO) | Porto Santo, Madeira, Portugal | |
| 13 | 11,619.73 miles (18,700.09 km) W | Tenerife-South Airport (TFS) | Tenerife, Canary Islands, Spain | |
| 14 | 11,614.79 miles (18,692.15 km) W | Tenerife North Airport (TFN) | Tenerife, Canary Islands, Spain | |
| 15 | 11,548.33 miles (18,585.19 km) W | Gran Canaria Airport (LPA) | Las Palmas, Canary Islands, Spain | |