Apparently the longest walk you can make across contiguous land from Cape Town South Africa to Magadan, Russia, a trip of about 14000 miles.
As far as we know, nobody has ever walked it.
I’m thinking of trying it, anybody want to come along?
World’s Longest Walk? The 14000 Mile Journey from Cape Town to Magadan
Is This The World’s Longest Continuous Walk? Cape Town To Magadan