Nonstop flight route between Ilorin, Nigeria and Tonopah, Nevada, United States:
Departure Airport:

Arrival Airport:

Distance from ILR to XSD:
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- About this route
- ILR Airport Information
- XSD Airport Information
- Facts about ILR
- Facts about XSD
- Map of Nearest Airports to ILR
- List of Nearest Airports to ILR
- Map of Furthest Airports from ILR
- List of Furthest Airports from ILR
- Map of Nearest Airports to XSD
- List of Nearest Airports to XSD
- Map of Furthest Airports from XSD
- List of Furthest Airports from XSD
About this route:
A direct, nonstop flight between Ilorin International Airport (ILR), Ilorin, Nigeria and Tonopah Test Range Airport (XSD), Tonopah, Nevada, United States would travel a Great Circle distance of 7,490 miles (or 12,055 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 Ilorin International Airport and Tonopah Test Range 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 Ilorin International Airport and Tonopah Test Range Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | ILR / DNIL |
Airport Name: | Ilorin International Airport |
Location: | Ilorin, Nigeria |
GPS Coordinates: | 8°26'26"N by 4°29'39"E |
Area Served: | Ilorin, Nigeria |
Airport Type: | Public |
Elevation: | 1126 feet (343 meters) |
# of Runways: | 1 |
View all routes: | Routes from ILR |
More Information: | ILR Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | XSD / KTNX |
Airport Name: | Tonopah Test Range Airport |
Location: | Tonopah, Nevada, United States |
GPS Coordinates: | 37°47'40"N by 116°46'42"W |
View all routes: | Routes from XSD |
More Information: | XSD Maps & Info |
Facts about Ilorin International Airport (ILR):
- The closest airport to Ilorin International Airport (ILR) is Ibadan Airport (IBA), which is located 82 miles (133 kilometers) SSW of ILR.
- The furthest airport from Ilorin International Airport (ILR) is Wallis Island (WLS), which is nearly antipodal to Ilorin International Airport (meaning Ilorin International Airport is almost on the exact opposite side of the Earth from Wallis Island), and is located 12,100 miles (19,473 kilometers) away in Wallis and Futuna Islands.
- Ilorin International Airport (ILR) currently has only 1 runway.
Facts about Tonopah Test Range Airport (XSD):
- In 1980 the 4477th TEF was re-designated as the 4477th Test and Evaluation Squadron and the operation was renamed again to Constant Peg.
- The closest airport to Tonopah Test Range Airport (XSD) is Tonopah Airport (TPH), which is located 25 miles (40 kilometers) NW of XSD.
- The earliest known depiction of the airfield was on the July 1970 Air Force Tactical Pilotage Chart.
- In 2006, the Constant Peg program was declassified and the USAF held a series of press conferences about the former top secret US MiGs.
- The furthest airport from Tonopah Test Range Airport (XSD) is Pierrefonds Airport (ZSE), which is located 11,207 miles (18,036 kilometers) away in Saint-Pierre, Réunion.
- Foreign military sales of United States fighter aircraft to Indonesia and Egypt in the mid-1970s to replace the Soviet fighter aircraft allowed these nations to clandestinely transfer un-needed MiG-21 ultra modern MiG-23s aircraft to the United States for evaluation.
- Beginning in October 1979 Tonopah Test Range Airport was reconstructed and expanded.
- The advent of Operation Rolling Thunder during the Vietnam War in March of 1965 led to the introduction of the obsolete and subsonic MiG-17 and the supersonic MiG-21 by the North Vietnamese Air Force being pitted against U.S.
- The MiG-21 posed a major threat to Israeli Air Defenses as well as to American pilots over the skies of North Vietnam.