Kammala jumla mai zuwa: Daga 1806 zuwa 1811, Langeron ya halarci Yaƙin Russo-Turkish (1806<unk>1812) kuma ya yi aiki a cikin Sojojin Moldavia a kan Ottomans. Ya yi yaƙi a Giurgiu, Silistra, Frasin, Derekoy, da Ruse, wanda aka inganta shi zuwa Janar na Sojojin Sojoji. A cikin 1812, an ba Langeron umurnin wani kwamandan a cikin Sojojin Danube wanda ya yi yaƙi da Brest-Litovsk da kuma a kan Berezina. A shekara ta 1813, an sanya Langeron a matsayin mai kula da shinge na Thorn, kuma daga baya a wannan shekarar ya umurci wani rukuni a Koenigswarte, Bautzen, Siebeneichen, Lowenberg, Katzbach, da Leipzig. A shekara mai zuwa ya shiga yakin Faransa, lokacin da ya yi yaƙi a yakin Soissons, Craonne, Laon,
Rheims, La Fère-Champenoise, da kuma Paris. A ƙarshen 1814, an ba Langeron umurnin na 4th da na 6th Corps a Volhynia. A lokacin Kwana ɗari, shi da sojojinsa suna tafiya zuwa Faransa, amma sun isa tsakiyar Jamus ne kawai lokacin da aka ci Napoleon a Waterloo.