Shoujo Shuumatsu Ryokou, Somali to Mori no Kamisama Recommendations
Both are about 2 people going together on a journey. Both have great and very interesting characters and the story in both is very entertaining. Both seem lighthearted but have some dark parts in them. Both are amazing to watch.
Both anime are about two people having a journey together without knowing where the end destination is. Both anime setting are in post apocalyptic world where Human is almost extinct. The difference is Somali placed in fantasy world, where Girl Last Tour placed in the real world post nuclear war.