| Sonderborg to Buxtehude | 99.35 mi (159.89 km) |
| Sonderborg to Cadolzburg | 380.23 mi (611.93 km) |
| Sonderborg to Calbe | 223.45 mi (359.61 km) |
| Sonderborg to Calw | 430.55 mi (692.90 km) |
| Sonderborg to Castrop-Rauxel | 253.93 mi (408.66 km) |
| Sonderborg to Celle | 158.54 mi (255.15 km) |
| Sonderborg to Cham | 411.83 mi (662.78 km) |
| Sonderborg to Chemnitz | 310.51 mi (499.72 km) |
| Sonderborg to Clausthal-Zellerfeld | 215.96 mi (347.56 km) |
| Sonderborg to Cloppenburg | 159.26 mi (256.31 km) |
| Sonderborg to Coburg | 324.83 mi (522.77 km) |
| Sonderborg to Coesfeld | 231.51 mi (372.58 km) |
| Sonderborg to Cologne | 299.12 mi (481.39 km) |
| Sonderborg to Coswig | 304.94 mi (490.76 km) |
| Sonderborg to Coswig | 235.93 mi (379.69 km) |
