Top 10 biggest cities in Africa by Land Area.
Biggest cities in Africa by Land area. 1. Khartoum (Sudan) - 22,142 square kilometres 2. Kinshasa (DRC) - 9,965 square kilometres 3. Cairo (Egypt) - 3,085 square kilometres 4. Ibadan (Nigeria) - 3,080 square kilometres 5. Alexandria (Egypt) - 2,679 square kilometres 6. Durban (South Africa) - 2,292 square kilometres 7. Abidjan (Cote d'Ivoire) - 2,119 square kilometres 8. Abuja (Nigeria) - 1,768 square kilometres 9. Johannesburg (South Africa) - 1,645 square kilometres 10. Dar es Salaam (Tanzania) - 1,590 square kilometres.