- Calau (Brandenburg)
- Calbe (Saale) (Saxony-Anhalt)
- Calw (Baden-Württemberg)
- Castrop-Rauxel (North Rhine-Westphalia)
- Celle (Lower Saxony)
- Cham (Bavaria)
- Chemnitz (Saxony)
- Clausthal-Zellerfeld (Lower S.)
- Clingen (Thuringia)
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- Cloppenburg (Lower Saxony)
- Coburg (Bavaria)
- Cochem (Rhineland-Palatinate)
- Coesfeld (North Rhine-Westphalia)
- Colditz (Saxony)
- Cologne (North Rhine-Westphalia)
- Coswig (Saxony)
- Coswig (Anhalt) (Saxony-Anhalt)
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- Cottbus (Brandenburg)
- Crailsheim (Baden-Württemberg)
- Creglingen (Baden-Württemberg)
- Creußen (Bavaria)
- Creuzburg (Thuringia)
- Crimmitschau (Saxony)
- Crivitz (Mecklenburg-Western Pomerania)
- Cuxhaven (Lower Saxony)
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