General:

Mario Rigby crosses Africa from Cape Town to Cairo

Across Africa Namibia to Tanzania, some info and link to book

Sonia and Alexandre Poussin walk across Africa (videos):

South Africa to Ethiopia raising funds for clean water

Ffyona Campbell walked South Africa to Morocco in the 90’s –  book

Madagascar:

Coast-to-coast Madagascar expedition

Ash Dykes crosses Madagascar:

Rwanda:

Fearghal O’Nuallain walks across Rwanda

Namibia:

Border to border across Namibia

Lesotho:

Across Lesotho

Togo:

Across Togo

Reunion:

Across the island

Walking across Reunion on the GR R2 trail: