Nonstop flight route between Portsmouth, Ohio, United States and Horsham, Victoria, Australia:
Departure Airport:
(38°50'26"N by 82°50'49"W)
Arrival Airport:
(36°40'10"S by 142°10'22"E)
Distance from PMH to HSM:
9,997.85 miles (16,089.94 km)
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Jump to:
- About this route
- PMH Airport Information
- HSM Airport Information
- Facts about PMH
- Facts about HSM
- Map of Nearest Airports to PMH
- List of Nearest Airports to PMH
- Map of Furthest Airports from PMH
- List of Furthest Airports from PMH
- Map of Nearest Airports to HSM
- List of Nearest Airports to HSM
- Map of Furthest Airports from HSM
- List of Furthest Airports from HSM
About this route:
A direct, nonstop flight between Greater Portsmouth Regional Airport (PMH), Portsmouth, Ohio, United States and Horsham Airport (HSM), Horsham, Victoria, Australia would travel a Great Circle distance of 9,998 miles (or 16,090 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 Greater Portsmouth Regional Airport and Horsham 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 Greater Portsmouth Regional Airport and Horsham Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | PMH / KPMH |
| Airport Name: | Greater Portsmouth Regional Airport |
| Location: | Portsmouth, Ohio, United States |
| GPS Coordinates: | 38°50'26"N by 82°50'49"W |
| Area Served: | Portsmouth, Ohio |
| Operator/Owner: | Scioto County Airport Authority |
| Airport Type: | Public |
| Elevation: | 663 feet (202 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from PMH |
| More Information: | PMH Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | HSM / YHSM |
| Airport Name: | Horsham Airport |
| Location: | Horsham, Victoria, Australia |
| GPS Coordinates: | 36°40'10"S by 142°10'22"E |
| Operator/Owner: | Horsham Rural City Council |
| Airport Type: | Public |
| Elevation: | 445 feet (136 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from HSM |
| More Information: | HSM Maps & Info |
Facts about Greater Portsmouth Regional Airport (PMH):
- The closest airport to Greater Portsmouth Regional Airport (PMH) is Lawrence County Airpark (HTW), which is located 35 miles (56 kilometers) SSE of PMH.
- Because of Greater Portsmouth Regional Airport's relatively low elevation of 663 feet, planes can take off or land at Greater Portsmouth Regional 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 Greater Portsmouth Regional Airport (PMH) is Margaret River Airport (MGV), which is located 11,385 miles (18,322 kilometers) away in Margaret River, Western Australia, Australia.
- The airport was constructed in the 1957 to replace another airport located in West Portsmouth, Ohio which was situated near the Ohio River.
- Greater Portsmouth Regional Airport (PMH) currently has only 1 runway.
Facts about Horsham Airport (HSM):
- Because of Horsham Airport's relatively low elevation of 445 feet, planes can take off or land at Horsham 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.
- Horsham Airport (HSM) has 2 runways.
- The closest airport to Horsham Airport (HSM) is Ararat Airport (ARY), which is located 63 miles (102 kilometers) SE of HSM.
- The furthest airport from Horsham Airport (HSM) is Flores Airport (FLW), which is nearly antipodal to Horsham Airport (meaning Horsham Airport is almost on the exact opposite side of the Earth from Flores Airport), and is located 12,025 miles (19,352 kilometers) away in Flores Island, Azores, Portugal.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 34.79 miles (55.99 km) SSE | Lawrence County Airpark (HTW) | Chesapeake, Ohio / Huntington, West Virginia, United States |     |
| 2 | 36.25 miles (58.33 km) SSE | Tri-State Airport (HTS) | Huntington, West Virginia, United States | |
| 3 | 41.94 miles (67.50 km) NE | Ohio University Airport Gordon K. Bush Airport (ATO) | Athens/Albany, Ohio, United States | |
| 4 | 64.90 miles (104.45 km) NW | Wilmington Air Park (ILN) | Wilmington, Ohio, United States | |
| 5 | 67.39 miles (108.45 km) N | Rickenbacker International Airport (LCK) | Columbus, Ohio, United States | |
| 6 | 74.94 miles (120.61 km) ESE | Yeager Airport (CRW) | Charleston, West Virginia, United States | |
| 7 | 80.01 miles (128.77 km) N | Port Columbus International Airport (CMH) | Columbus, Ohio, United States | |
| 8 | 83.15 miles (133.81 km) ENE | Mid-Ohio Valley Regional Airport (PKB) | Parkersburg, West Virginia, United States | |
| 9 | 86.34 miles (138.95 km) WNW | Cincinnati Municipal Airport (LUK) | Cincinnati, Ohio, United States | |
| 10 | 86.46 miles (139.15 km) N | Ohio State University Airport (OSU) | Columbus, Ohio, United States | |
| 11 | 87.10 miles (140.18 km) NW | Springfield–Beckley Municipal Airport (SGH) | Springfield, Ohio, United States | |
| 12 | 90.07 miles (144.96 km) NW | Dayton–Wright Brothers Airport (MGY) | Dayton, Ohio, United States | |
| 13 | 91.75 miles (147.65 km) NNE | Zanesville Municipal Airport (ZZV) | Zanesville, Ohio, United States | |
| 14 | 93.47 miles (150.42 km) NW | Wright-Patterson Air Force Base (FFO) | Dayton, Ohio, United States | |
| 15 | 95.72 miles (154.05 km) WNW | Middletown Regional Airport (MWO) | Middletown, Ohio, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,384.56 miles (18,321.63 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 11,361.95 miles (18,285.24 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 11,338.90 miles (18,248.15 km) W | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 11,338.49 miles (18,247.48 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 5 | 11,301.73 miles (18,188.33 km) WSW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 6 | 11,287.40 miles (18,165.26 km) WSW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 7 | 11,277.69 miles (18,149.64 km) WSW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 8 | 11,266.80 miles (18,132.11 km) W | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 9 | 11,262.96 miles (18,125.94 km) WSW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 10 | 11,243.76 miles (18,095.02 km) W | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 11 | 11,216.76 miles (18,051.58 km) WSW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 12 | 11,187.46 miles (18,004.43 km) WSW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 13 | 11,171.36 miles (17,978.51 km) WSW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 14 | 11,164.59 miles (17,967.62 km) WSW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 11,129.72 miles (17,911.50 km) SW | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 63.11 miles (101.56 km) SE | Ararat Airport (ARY) | Ararat, Victoria, Australia | |
| 2 | 66.79 miles (107.48 km) N | Hopetoun Airport (HTU) | Hopetoun, Victoria, Australia | |
| 3 | 67.88 miles (109.23 km) S | Hamilton Airport (HLT) | Hamilton, Victoria, Australia | |
| 4 | 106.56 miles (171.49 km) SW | Mount Gambier Airport (MGB) | Mount Gambier, Australia | |
| 5 | 113.31 miles (182.36 km) S | Warrnambool Airport (WMB) | Warrnambool, Victoria, Australia | |
| 6 | 117.17 miles (188.57 km) ENE | Kerang Airport (KRA) | Kerang, Victoria, Australia | |
| 7 | 119.58 miles (192.44 km) E | Bendigo Airport (BXG) | Bendigo, Victoria, Australia | |
| 8 | 120.21 miles (193.46 km) SSW | Portland Airport (PTJ) | Portland, Victoria, Australia | |
| 9 | 139.58 miles (224.64 km) N | Robinvale Airport (RBC) | Robinvale, Victoria, Australia | |
| 10 | 144.80 miles (233.03 km) SE | Avalon Airport (AVV) | Avalon, Victoria, Australia | |
| 11 | 148.25 miles (238.59 km) ENE | Echuca Airport (ECH) | Echuca, Victoria, Australia | |
| 12 | 159.97 miles (257.45 km) SE | Geelong Airport (GEX) | Grovedale, Victoria, Australia | |
| 13 | 161.92 miles (260.58 km) NNE | Balranald Airport (BZD) | Balranald, New South Wales, Australia | |
| 14 | 162.55 miles (261.60 km) ESE | Melbourne Airport (MEL) | Melbourne, Victoria, Australia | |
| 15 | 167.05 miles (268.83 km) ESE | Essendon Airport (MEB) | Melbourne, Victoria, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,024.94 miles (19,352.22 km) WNW | Flores Airport (FLW) | Flores Island, Azores, Portugal | |
| 2 | 12,017.42 miles (19,340.12 km) WNW | Corvo Airport (CVU) | Corvo Island, Azores, Portugal | |
| 3 | 11,922.14 miles (19,186.78 km) WNW | Horta International Airport (HOR) | Horta, Azores, Portugal | |
| 4 | 11,907.11 miles (19,162.58 km) WNW | Pico Airport (PIX) | Pico Island, Azores, Portugal | |
| 5 | 11,877.17 miles (19,114.41 km) WNW | Graciosa Airport (GRW) | Graciosa Island, Azores, Portugal | |
| 6 | 11,832.84 miles (19,043.07 km) WNW | Lajes Air Base (TER) | Lajes, Azores, Portugal | |
| 7 | 11,765.69 miles (18,934.99 km) W | João Paulo II Airport (PDL) | Ponta Delgada, Azores, Portugal | |
| 8 | 11,737.00 miles (18,888.82 km) W | Santa Maria Airport (SMA) | Santa Maria, Portugal | |
| 9 | 11,364.76 miles (18,289.76 km) NE | St. John's International Airport (YYT) | St. John's, Newfoundland and Labrador, Canada | |
| 10 | 11,266.14 miles (18,131.04 km) NE | Saint-Pierre Airport (FSP) | Saint-Pierre, Saint Pierre and Miquelon, France | |
| 11 | 11,245.99 miles (18,098.61 km) NE | Miquelon Airport (MQC) | Miquelon, Saint Pierre and Miquelon | |
| 12 | 11,242.49 miles (18,092.99 km) NE | Gander International Airport (YQX) | Gander, Newfoundland, Canada | |
| 13 | 11,212.42 miles (18,044.60 km) W | Madeira Airport (FNC) | Funchal, Madeira, Portugal | |
| 14 | 11,196.95 miles (18,019.69 km) W | Porto Santo Airport (PXO) | Porto Santo, Madeira, Portugal | |
| 15 | 11,147.12 miles (17,939.50 km) WNW | La Palma Airport (SPC) | La Palma, Canary Islands, Spain | |