Nonstop flight route between Fort Sill, Oklahoma, United States and Birao, Central African Republic:
Departure Airport:
(34°38'58"N by 98°24'7"W)
Arrival Airport:
(10°14'13"N by 22°42'58"E)
Distance from FSI to IRO:
7,496.77 miles (12,064.85 km)
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Jump to:
- About this route
- FSI Airport Information
- IRO Airport Information
- Facts about FSI
- Facts about IRO
- 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 IRO
- List of Nearest Airports to IRO
- Map of Furthest Airports from IRO
- List of Furthest Airports from IRO
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Birao Airport (IRO), Birao, Central African Republic would travel a Great Circle distance of 7,497 miles (or 12,065 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 Birao 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 Birao 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: | IRO / FEFI |
| Airport Names: |
|
| Location: | Birao, Central African Republic |
| GPS Coordinates: | 10°14'13"N by 22°42'58"E |
| Area Served: | Birao |
| Operator/Owner: | Government |
| Airport Type: | Public |
| Elevation: | 1522 feet (464 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from IRO |
| More Information: | IRO Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- As a result of the United State's entry into World War I, Fort Sill was selected for a primary pilot school.
- 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 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.
- Post Field served as a base for flight training for the Air Service.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- 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.
Facts about Birao Airport (IRO):
- The furthest airport from Birao Airport (IRO) is Manihiki Island Airport (MHX), which is nearly antipodal to Birao Airport (meaning Birao Airport is almost on the exact opposite side of the Earth from Manihiki Island Airport), and is located 12,184 miles (19,608 kilometers) away in Manihiki Island, Cook Islands.
- In addition to being known as "Birao Airport", another name for IRO is "Birao Airport (Birao)".
- Birao Airport (IRO) currently has only 1 runway.
- The closest airport to Birao Airport (IRO) is Gordil Airport (GDI), which is located 81 miles (130 kilometers) SW of IRO.
| 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 | 80.73 miles (129.92 km) SW | Gordil Airport (GDI) | Gordil, Central African Republic | |
| 2 | 123.18 miles (198.24 km) WSW | Gordil Airport (GDA) | Gounda, Central African Republic | |
| 3 | 156.06 miles (251.15 km) SW | Koumala Airport (KOL) | Koumala, Central African Republic | |
| 4 | 174.72 miles (281.19 km) WNW | Am Timan Airport (AMC) | Am Timan, Chad | |
| 5 | 196.99 miles (317.02 km) NE | Nyala Airport (UYL) | Nyala, South Darfur, Sudan | |
| 6 | 202.01 miles (325.10 km) WNW | Zakouma Airport (AKM) | Zakouma, Chad | |
| 7 | 224.93 miles (361.99 km) N | Geneina Airport (EGN) | Geneina, Sudan | |
| 8 | 244.59 miles (393.62 km) ENE | Ed Daein Airport (ADV) | Ed Daein, East Darfur, Sudan | |
| 9 | 247.99 miles (399.10 km) WNW | Abou-Deïa Airport (AOD) | Abou-Deia, Chad | |
| 10 | 259.43 miles (417.51 km) S | Yalinga Airport (AIG) | Yalinga, Central African Republic | |
| 11 | 261.00 miles (420.04 km) S | Bria Airport (BIV) | Bria, Central African Republic | |
| 12 | 279.66 miles (450.06 km) NNW | Abéché Airport (AEH) | Abéché, Chad | |
| 13 | 292.35 miles (470.49 km) NW | Oum-Hadjer Airport (OUM) | Oum Hadjer, Chad | |
| 14 | 292.47 miles (470.68 km) NE | El Fashir Airport (ELF) | El Fasher, Sudan | |
| 15 | 304.71 miles (490.37 km) WNW | Mongo Airport (MVO) | Mongo, Chad | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,183.99 miles (19,608.19 km) E | Manihiki Island Airport (MHX) | Manihiki Island, Cook Islands | |
| 2 | 11,891.30 miles (19,137.14 km) SW | Maupiti Airport (MAU) | Maupiti, Leeward Islands, French Polynesia | |
| 3 | 11,869.34 miles (19,101.81 km) SW | Bora Bora Airport (BOB) | Bora Bora, French Polynesia | |
| 4 | 11,824.07 miles (19,028.95 km) SW | Huahine – Fare Airport (HUH) | Huahine, Society Islands, French Polynesia | |
| 5 | 11,776.14 miles (18,951.81 km) WSW | Mataiva Airport (MVT) | Mataiva, French Polynesia | |
| 6 | 11,772.53 miles (18,946.00 km) S | Mitiaro Island Airport (MOI) | Mitiaro Island, Cook Islands | |
| 7 | 11,752.79 miles (18,914.23 km) S | Akatoka Manava Airport (Mauke Airport) (MUK) | Mauke Island, Cook Islands | |
| 8 | 11,726.00 miles (18,871.12 km) SW | Moorea Airport (MOZ) | Moorea, Windward Islands, French Polynesia | |
| 9 | 11,715.61 miles (18,854.39 km) SW | Fa'a'ā International Airport (PPT) | Papeete, Tahiti, French Polynesia | |
| 10 | 11,660.86 miles (18,766.30 km) SSE | Rarotonga International Airport (RAR) | Avarua, Cook Islands | |
| 11 | 11,639.45 miles (18,731.84 km) WSW | Arutua Airport (AXR) | Arutua, Tuamotus, French Polynesia | |
| 12 | 11,638.39 miles (18,730.12 km) WSW | Ahe Airport (AHE) | Ahe, French Polynesia | |
| 13 | 11,630.20 miles (18,716.94 km) S | Mangaia Island Airport (MGS) | Mangaia Island, Cook Islands | |
| 14 | 11,626.45 miles (18,710.92 km) WSW | Manihi Airport (XMH) | Manihi, French Polynesia | |
| 15 | 11,617.49 miles (18,696.49 km) WSW | Apataki Airport (APK) | Apataki, French Polynesia | |