Kantojohto -

: The regions have historically shared a Champion, most notably Lance , who moved from the Johto Elite Four to become the Champion of the combined League. Cultural & Historical Ties

: The S.S. Aqua ferry travels between Vermilion City in Kanto and Olivine City in Johto. The Unified Pokémon League kantojohto

: The Magnet Train provides a high-speed link between Saffron City (Kanto) and Goldenrod City (Johto), though it requires a pass to use. : The regions have historically shared a Champion,