Burkina Faso

Ouro, Sourou → Ouro, Yatenga → Ouroay Saba, Séno → Ourobo Guélsawa, Djelgodji → Ouroubi, Southwest → Ouroubono, Boucle du Mouhoun → Ouroué, Koosin → Ourougué, Est → Ourouko, Koosin → Ouroukou, Sourou → Ourouyama, Houet → Oursi, Oudalan → Ousoukosoko, Sandbondtenga → Oussaltan-Banguel-Daou, Séno → Outaga, Centre-Est → Outila, Cascades → Outilouini, Namentenga → Outoulou, Centre-Ouest → Outoum-Mossi, Yatenga → Outoum-Silmi-Mossi, Yatenga →