| Sierpc to Cognac | 1,023.97 mi (1,647.92 km) |
| Sierpc to Cogolin | 897.61 mi (1,444.56 km) |
| Sierpc to Colmar | 633.58 mi (1,019.65 km) |
| Sierpc to Colombes | 804.16 mi (1,294.17 km) |
| Sierpc to Colomiers | 1,053.87 mi (1,696.04 km) |
| Sierpc to Combs-la-Ville | 799.68 mi (1,286.96 km) |
| Sierpc to Comines | 724.65 mi (1,166.21 km) |
| Sierpc to Compiegne | 766.25 mi (1,233.15 km) |
| Sierpc to Concarneau | 1,089.45 mi (1,753.31 km) |
| Sierpc to Conde-sur-l'Escaut | 707.52 mi (1,138.64 km) |
| Sierpc to Conflans-Sainte-Honorine | 808.11 mi (1,300.52 km) |
| Sierpc to Corbas | 828.94 mi (1,334.05 km) |
| Sierpc to Corbeil-Essonnes | 804.64 mi (1,294.94 km) |
| Sierpc to Cormeilles-en-Parisis | 804.68 mi (1,295.01 km) |
| Sierpc to Cosne sur Loire | 829.43 mi (1,334.83 km) |
