Depth of the Mponeng Gold Mine (South Africa)

Depth of the Mponeng Gold Mine (South Africa) (3.9 km)

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If Depth of the Mponeng Gold Mine (South Africa) (3.9 km) was a standard unit ...

Circumference of Mercury (15,330 km)...more would be 4000 x Depth of the Mponeng Gold Mine (South Africa)
Height of Mt Washington, highest point in NE USA (1.917 km)...more would be 1/2 of Depth of the Mponeng Gold Mine (South Africa)
Height of the Angel Falls (Venuzeula) (979 m)...more would be 1/4 of Depth of the Mponeng Gold Mine (South Africa)
Height of the Gateway Arch in St Louis (192 m)...more would be 1/20 of Depth of the Mponeng Gold Mine (South Africa)
Height of Cologne Cathedral spires, Germany (157 m)...more would be 1/25 of Depth of the Mponeng Gold Mine (South Africa)
Height of the Elizabeth Tower (home to Big Ben) in London (96 m)...more would be 1/40 of Depth of the Mponeng Gold Mine (South Africa)