| Sonderborg to Cherbourg | 603.01 mi (970.45 km) |
| Sonderborg to Chevigny-Saint-Sauveur | 563.09 mi (906.21 km) |
| Sonderborg to Chevilly-Larue | 529.72 mi (852.50 km) |
| Sonderborg to Chilly-Mazarin | 534.42 mi (860.07 km) |
| Sonderborg to Choisy-le-Roi | 528.50 mi (850.54 km) |
| Sonderborg to Cholet | 712.46 mi (1,146.59 km) |
| Sonderborg to Clamart | 530.03 mi (853.00 km) |
| Sonderborg to Claye-Souilly | 511.04 mi (822.44 km) |
| Sonderborg to Clermont | 493.57 mi (794.32 km) |
| Sonderborg to Clermont-Ferrand | 696.03 mi (1,120.15 km) |
| Sonderborg to Clermont-l'Herault | 830.03 mi (1,335.80 km) |
| Sonderborg to Clichy | 523.04 mi (841.75 km) |
| Sonderborg to Clichy-sous-Bois | 516.40 mi (831.07 km) |
| Sonderborg to Cluses | 627.64 mi (1,010.10 km) |
| Sonderborg to Cognac | 776.23 mi (1,249.22 km) |
