| Ostrow Mazowiecka to Chenove | 837.86 mi (1,348.40 km) |
| Ostrow Mazowiecka to Cherbourg | 1,035.34 mi (1,666.22 km) |
| Ostrow Mazowiecka to Chevigny-Saint-Sauveur | 832.43 mi (1,339.66 km) |
| Ostrow Mazowiecka to Chevilly-Larue | 894.93 mi (1,440.24 km) |
| Ostrow Mazowiecka to Chilly-Mazarin | 898.51 mi (1,446.02 km) |
| Ostrow Mazowiecka to Choisy-le-Roi | 892.74 mi (1,436.72 km) |
| Ostrow Mazowiecka to Cholet | 1,082.24 mi (1,741.70 km) |
| Ostrow Mazowiecka to Clamart | 897.61 mi (1,444.56 km) |
| Ostrow Mazowiecka to Claye-Souilly | 875.95 mi (1,409.71 km) |
| Ostrow Mazowiecka to Clermont | 875.07 mi (1,408.28 km) |
| Ostrow Mazowiecka to Clermont-Ferrand | 972.56 mi (1,565.18 km) |
| Ostrow Mazowiecka to Clermont-l'Herault | 1,055.37 mi (1,698.45 km) |
| Ostrow Mazowiecka to Clichy | 892.79 mi (1,436.81 km) |
| Ostrow Mazowiecka to Clichy-sous-Bois | 882.46 mi (1,420.19 km) |
| Ostrow Mazowiecka to Cluses | 828.52 mi (1,333.38 km) |
