| Opoczno to Chenove | 741.86 mi (1,193.91 km) |
| Opoczno to Cherbourg | 965.64 mi (1,554.05 km) |
| Opoczno to Chevigny-Saint-Sauveur | 736.21 mi (1,184.81 km) |
| Opoczno to Chevilly-Larue | 813.26 mi (1,308.82 km) |
| Opoczno to Chilly-Mazarin | 816.50 mi (1,314.03 km) |
| Opoczno to Choisy-le-Roi | 810.95 mi (1,305.10 km) |
| Opoczno to Cholet | 996.60 mi (1,603.88 km) |
| Opoczno to Clamart | 816.34 mi (1,313.77 km) |
| Opoczno to Claye-Souilly | 794.89 mi (1,279.25 km) |
| Opoczno to Clermont | 797.51 mi (1,283.47 km) |
| Opoczno to Clermont-Ferrand | 873.41 mi (1,405.62 km) |
| Opoczno to Clermont-l'Herault | 948.11 mi (1,525.84 km) |
| Opoczno to Clichy | 812.13 mi (1,307.00 km) |
| Opoczno to Clichy-sous-Bois | 801.40 mi (1,289.73 km) |
| Opoczno to Cluses | 723.20 mi (1,163.88 km) |
