The articles above that one are interesting too.
One lists the westbound routing: Sydney-Darwin-Jakarta-Singapore-Calcutta-Karachi-Istanbul-Zurich-London (phew!).
And another suggests that, had the Orion-engined Britannia gone ahead, it would have been able to fly London-Sydney with only two stops. Not bad going when even 60 years later you still can't do it non-stop.
