Here’s how it looks on a map:



Great Circle Mapper tells me this is a frankly absurd 46,332 miles including the positioning flights - in other words, roughly 1.9 laps of the equator.

Blimey.

Crucially, the RTW ticket should earn 87,175 Finnair Avios and tier points once various mileage and tier multipliers are taken into account, which is more than enough for Finnair Plus Platinum.