Think Wano will end around chapter 1070, with the 70-80 being the aftermach of the events in Wano and Reverie.
20 Elbaf chapters, 2 volumes, 1 for Giants and one for SHP vs RHP.
The journey to Laftel starting around chapter 1110, with Laftel arc ending around 1160 with 5 volumes, one for the journey and they getting there, two for the Void Century FB and another two for the after, and probably BBP.
Them 150 chapter of the Final War, with the manga ending with around 1300 chapters.