It is approximately 9119 miles or 14675 kilometers or 7924 nautical miles from Perth, Western Australia to Perth, Perthshire, Scotland. That distance is as the crow flies.
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14,736.9 kilometres (9,157.11 miles)
14,595.46 kilometres (9,069.22 miles)
11,259.94 kilometres (6,996.62 miles)
7,573.31 kilometres (4,705.85 miles)
14,532.93 kilometres (9,030.36 miles)