Venezuela is the most closest to the size of Niger Africa
The closest European country to Africa is Spain.
Asia
Spain is the closest country in Europe to Africa. It is close to Morocco. Their closest meeting point is at the Straits of Gibraltar, where sea separates them. Despite the confusion given by the name, parts of Spain are closer to Africa than Gibraltar itself.
It near Africa
Timbuktu is actually in Africa. It is a city in the country called Mali, which is in the northwest of Africa.
The closest city is Cape Town and the country is South Africa
Egypt is the only North African country that borders Israel.
The African country that comes the closest to 963,600 sq. mi. is Sudan.
Africa is a continent and contains many countries so to answer your question we need to know the area or country you want to know about.
Western Australia is closest to Africa.
The Strait of Gibraltar separate Africa from Europe. You can stand in Spain and see the African continent. However, the Isle of Gibraltar lies in the Strait and this is British territory.