it would be interesting if it was a list of actual journeys with the sub lists of deviations required.
a special club for the brutaly determined and persistant the "strait liners"
things like having to beg, bluff, bribe, your way through someones house
edit: and the article already notes this longest possible path from Portugal to China, citing a 2023 article: https://bigthink.com/strange-maps/these-are-the-worlds-longe...