1000km1000miNiameyNigerAlgeriaChadNigeriaMaliLibyaCameroonSengal
1000km1000miNiameyLibyaAlgeriaMaliSengalEthiopiaKenyaChadNigeriaCameroonEgyptSudanNiger
1000km1000miSengalMaliAlgeriaLibyaEgyptChadNigeriaCameroonSudanEthiopiaKenyaTanzaniaNigerNiamey