Correction for the size of O. R. Tambo International Airport (JNB)
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How big is 20,660,000,000,000 square millimeters?
It's about one-and-one-fourth times as big as O. R. Tambo International Airport (JNB)
The size of O. R. Tambo International Airport (JNB) is about 16,730,000,000,000 square millimeters.
(a.k.a. Johannesburg International Airport, f.k.a. Jan Smuts International Airport) (Kempton Park, Gauteng, South Africa) (total site area)
O. R. Tambo International Airport, serving Johannesburg and the surrounding area, covers a total area of 16,730,000,000,000 square millimeters, including six passenger terminals and two main runways. The total length of both runways is 7,826 m.