Route notes
Why this routing works
This round-the-world routing opens from Istanbul with the longest directional move to Australia, where most of the trip time is concentrated. Brisbane carries the main stay at 15 nights, followed by a short onward flight to Hamilton for 3 nights before the itinerary turns back west.
After the Australia segment, the ticket continues to Cairo for 12 nights and then closes the loop in Istanbul. That sequencing keeps the shorter regional flight inside Australia between the two longer intercontinental sectors, which helps spread the long-haul pacing across the four weeks.
As ticket structure, this is a clean four-flight RTW in business class with no surface sectors or open jaws. Each city is connected by a flown segment, so the plan is straightforward to manage: outbound long haul, regional hop, westbound return leg via Cairo, and final flight back to the origin.