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Is 15,590,000,000,000 thousands of circular mills as big as O. R. Tambo International Airport (JNB)?

It's about half as big as O. R. Tambo International Airport (JNB)
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The size of O. R. Tambo International Airport (JNB) is about 33,020,000,000,000 thousands of circular mills.
(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 33,020,000,000,000 thousands of circular mills, including six passenger terminals and two main runways. The total length of both runways is 7,826 m.
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