Oberammergau (Bavaria)

Oberglogau (East Silesia)

Ober-n. Unter-Grainau (Bavaria)

Oberhausen (Rhineland)

Oberlahnstein (Hesse-Nassau)

Oberndorf (Wurtemburg)

Obernzell (Bavaria)

Oberstein (Oldenburg-Birkenfeld)

Oberwesel (Rhineland)

Obornik (Posen)