Is 417 virgates as big as O. R. Tambo International Airport (JNB)?
It's about three times as big as O. R. Tambo International Airport (JNB)

The size of O. R. Tambo International Airport (JNB) is about 137.80 virgates.
(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 137.80 virgates, including six passenger terminals and two main runways. The total length of both runways is 7,826 m.
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