Nonstop flight route between Fort Sill, Oklahoma, United States and Leinster, Western Australia, Australia:
Departure Airport:
(34°38'58"N by 98°24'7"W)
Arrival Airport:
(27°50'35"S by 120°42'11"E)
Distance from FSI to LER:
10,094.47 miles (16,245.43 km)
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Jump to:
- About this route
- FSI Airport Information
- LER Airport Information
- Facts about FSI
- Facts about LER
- Map of Nearest Airports to FSI
- List of Nearest Airports to FSI
- Map of Furthest Airports from FSI
- List of Furthest Airports from FSI
- Map of Nearest Airports to LER
- List of Nearest Airports to LER
- Map of Furthest Airports from LER
- List of Furthest Airports from LER
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Leinster Airport (LER), Leinster, Western Australia, Australia would travel a Great Circle distance of 10,094 miles (or 16,245 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 Henry Post Army Airfield and Leinster 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 Henry Post Army Airfield and Leinster Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | FSI / KFSI |
| Airport Name: | Henry Post Army Airfield |
| Location: | Fort Sill, Oklahoma, United States |
| GPS Coordinates: | 34°38'58"N by 98°24'7"W |
| Operator/Owner: | U.S. Army ATCA-ASO |
| Airport Type: | Military |
| Elevation: | 1189 feet (362 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from FSI |
| More Information: | FSI Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | LER / YLST |
| Airport Name: | Leinster Airport |
| Location: | Leinster, Western Australia, Australia |
| GPS Coordinates: | 27°50'35"S by 120°42'11"E |
| Operator/Owner: | BHP Billiton Nickel West |
| Airport Type: | Public |
| Elevation: | 1631 feet (497 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from LER |
| More Information: | LER Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- The Fort Sill Army Radar Approach Control is the Army's Second busiest Air Traffic Control Facility, providing Radar Approach Control service to Henry Post Army Air Field, Lawton/Fort Sill Regional Airport, Duncan/Haliburton Airport and many smaller airports in the area.
- The closest airport to Henry Post Army Airfield (FSI) is Lawton–Fort Sill Regional Airport (LAW), which is located only 6 miles (9 kilometers) S of FSI.
- The furthest airport from Henry Post Army Airfield (FSI) is Sir Gaëtan Duval Airport (RRG), which is located 10,920 miles (17,575 kilometers) away in Rodrigues Island, Mauritius.
- Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
Facts about Leinster Airport (LER):
- The furthest airport from Leinster Airport (LER) is L.F. Wade International Airport (BDA), which is located 11,989 miles (19,294 kilometers) away in Ferry Reach (near Hamilton), Bermuda.
- The closest airport to Leinster Airport (LER) is Mount Keith Airport (WME), which is located 40 miles (64 kilometers) NNW of LER.
- Leinster Airport (LER) currently has only 1 runway.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 5.72 miles (9.20 km) S | Lawton–Fort Sill Regional Airport (LAW) | Lawton, Oklahoma, United States |     |
| 2 | 28.03 miles (45.12 km) ESE | Halliburton Field (DUC) | Duncan, Oklahoma, United States | |
| 3 | 38.98 miles (62.73 km) WSW | Frederick Regional Airport (FDR) | Frederick, Oklahoma, United States | |
| 4 | 39.53 miles (63.61 km) NE | Chickasha Municipal Airport (CHK) | Chickasha, Oklahoma, United States | |
| 5 | 43.74 miles (70.39 km) WNW | Hobart Regional Airport (HBR) | Hobart, Oklahoma, United States | |
| 6 | 45.95 miles (73.94 km) S | Sheppard Air Force Base (SPS) | Wichita Falls, Texas, United States | |
| 7 | 49.22 miles (79.21 km) W | Altus Air Force Base (LTS) | Altus, Oklahoma, United States | |
| 8 | 53.30 miles (85.78 km) W | Altus/Quartz Mountain Regional Airport (AXS) | Altus, Oklahoma, United States | |
| 9 | 54.76 miles (88.12 km) S | Kickapoo Downtown Airport (KIP) | Wichita Falls, Texas, United States | |
| 10 | 65.69 miles (105.71 km) NW | Clinton-Sherman Industrial Airpark (CSM) | Clinton, Oklahoma, United States | |
| 11 | 66.85 miles (107.58 km) NE | University of Oklahoma Max Westheimer Airport (OUN) | Norman, Oklahoma, United States | |
| 12 | 68.33 miles (109.96 km) NNW | Clinton Regional Airport (CLK) | Clinton, Oklahoma, United States | |
| 13 | 68.51 miles (110.26 km) NE | Will Rogers World Airport (OKC) | Oklahoma City, Oklahoma, United States | |
| 14 | 74.55 miles (119.97 km) NE | Wiley Post Airport (PWA) | Oklahoma City, Oklahoma, United States | |
| 15 | 78.07 miles (125.64 km) NE | Tinker Air Force Base (TIK) | Oklahoma City, Oklahoma, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,920.33 miles (17,574.52 km) SE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 10,680.39 miles (17,188.37 km) ESE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 3 | 10,614.31 miles (17,082.03 km) SW | Cocos (Keeling) Island Airport (CCK) | Cocos Islands, Australia | |
| 4 | 10,601.93 miles (17,062.12 km) ESE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 5 | 10,589.08 miles (17,041.43 km) ESE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 6 | 10,532.55 miles (16,950.46 km) W | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 7 | 10,512.35 miles (16,917.95 km) W | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 8 | 10,492.35 miles (16,885.76 km) W | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 9 | 10,478.49 miles (16,863.45 km) W | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 10 | 10,478.05 miles (16,862.75 km) W | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 11 | 10,472.77 miles (16,854.25 km) W | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 12 | 10,460.30 miles (16,834.17 km) W | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 13 | 10,458.62 miles (16,831.48 km) W | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 14 | 10,456.31 miles (16,827.76 km) W | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 15 | 10,452.67 miles (16,821.90 km) W | Perth Airport (PER) | Perth, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 39.54 miles (63.64 km) NNW | Mount Keith Airport (WME) | Mount Keith, Western Australia, Australia | |
| 2 | 80.60 miles (129.72 km) SSE | Leonora Airport (LNO) | Leonora, Western Australia, Australia | |
| 3 | 93.62 miles (150.67 km) SE | Murrin Murrin Airport (WUI) | Murrin Murrin Joint Venture, Western Australia, Australia | |
| 4 | 117.48 miles (189.07 km) ESE | Laverton Airport (LVO) | Laverton, Western Australia, Australia | |
| 5 | 157.41 miles (253.33 km) WNW | Meekatharra Airport (MKR) | Meekatharra, Western Australia, Australia | |
| 6 | 170.78 miles (274.85 km) SSW | Windarling Airport (WRN) | Windarling, Australia | |
| 7 | 172.64 miles (277.84 km) W | Cue Airport (CUY) | Cue, Western Australia, Australia | |
| 8 | 175.62 miles (282.63 km) W | Mount Magnet Airport (MMG) | Mount Magnet, Western Australia, Australia | |
| 9 | 208.62 miles (335.74 km) SSE | Kalgoorlie-Boulder Airport (KGI) | Kalgoorlie, Western Australia, Australia | |
| 10 | 237.41 miles (382.07 km) SSE | Kambalda Airport (KDB) | Kambalda, Western Australia, Australia | |
| 11 | 299.26 miles (481.61 km) WSW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 12 | 310.88 miles (500.30 km) N | Newman Airport (ZNE) | Newman, Western Australia, Australia | |
| 13 | 318.85 miles (513.13 km) W | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 14 | 357.21 miles (574.86 km) NNW | Coondewanna Airport (CJF) | Coondewanna, Western Australia, Australia | |
| 15 | 369.85 miles (595.22 km) NNW | Barimunya Airport (BYP) | Barimunya, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,988.54 miles (19,293.64 km) NE | L.F. Wade International Airport (BDA) | Ferry Reach (near Hamilton), Bermuda | |
| 2 | 11,729.40 miles (18,876.59 km) NNE | Clayton J. Lloyd International Airport (AXA) | The Valley, Anguilla | |
| 3 | 11,722.72 miles (18,865.85 km) NNE | L'Espérance Airport Grand Case Airport (CCE) | Saint Martin, Guadeloupe | |
| 4 | 11,717.53 miles (18,857.49 km) NNE | Princess Juliana International Airport (SXM) | Philipsburg, Sint Maarten, Kingdom of the Netherlands | |
| 5 | 11,714.05 miles (18,851.89 km) NNE | Gustaf III Airport Saint Barthélemy Airport St. Jean Airport (SBH) | Gustavia, Saint Barthélemy, Saint Barthélemy | |
| 6 | 11,713.41 miles (18,850.85 km) NNE | Barbuda Codrington Airport (BBQ) | Codrington, Barbuda, Antigua and Barbuda | |
| 7 | 11,710.49 miles (18,846.16 km) NNE | Virgin Gorda Airport (VIJ) | Virgin Gorda, British Virgin Islands | |
| 8 | 11,707.19 miles (18,840.86 km) NNE | Terrance B. Lettsome International Airport (EIS) | Beef Island (near Tortola), British Virgin Islands | |
| 9 | 11,689.32 miles (18,812.10 km) NNE | Juancho E. Yrausquin Airport (SAB) | Saba, Caribbean Netherlands | |
| 10 | 11,688.81 miles (18,811.27 km) NNE | Charlotte Amalie Harbor Seaplane Base (SPB) | Charlotte Amalie, Saint Thomas, U.S. Virgin Islands | |
| 11 | 11,687.74 miles (18,809.54 km) NNE | Cyril E. King Airport (STT) | Charlotte Amalie, Saint Thomas, United States Virgin Islands | |
| 12 | 11,684.48 miles (18,804.30 km) NNE | F.D. Roosevelt Airport (EUX) | Sint Eustatius, Caribbean Netherlands | |
| 13 | 11,680.14 miles (18,797.32 km) NNE | V. C. Bird International Airport (ANU) | St. John's, Antigua, Antigua and Barbuda | |
| 14 | 11,677.20 miles (18,792.59 km) NNE | Robert L. Bradshaw International Airport (SKB) | Basseterre, Saint Kitts and Nevis | |
| 15 | 11,675.97 miles (18,790.61 km) NNE | Benjamín Rivera Noriega Airport (CPX) | Isla de Culebra, Puerto Rico | |