The Central African Republic's capital is Bangui, which has 6 letters. CHAD, with 4 letters, is a landlocked country in North-Central Africa. Gabon, with 5 letters, is a country on the west coast of Central Africa. Mali, with 4 letters, is a landlocked country in West Africa. Nigeria, with 7 letters, is a country in West Africa. ANGOLA, with 6 letters, is a country in Southern Africa. Niger, with 5 letters, is a landlocked country in West Africa. Eritrea, with 7 letters, is a country in the Horn of Africa. Senegal, with 7 letters, is a country in West Africa.