| Sierpc to Cabestany | 1,044.06 mi (1,680.25 km) |
| Sierpc to Cabries | 923.72 mi (1,486.58 km) |
| Sierpc to Cachan | 805.02 mi (1,295.56 km) |
| Sierpc to Caen | 904.06 mi (1,454.95 km) |
| Sierpc to Cagnes-sur-Mer | 856.12 mi (1,377.80 km) |
| Sierpc to Cahors | 1,010.98 mi (1,627.01 km) |
| Sierpc to Calais | 768.65 mi (1,237.02 km) |
| Sierpc to Caluire-et-Cuire | 825.01 mi (1,327.73 km) |
| Sierpc to Cambrai | 728.80 mi (1,172.89 km) |
| Sierpc to Canet-en-Roussillon | 1,040.59 mi (1,674.67 km) |
| Sierpc to Cannes | 866.47 mi (1,394.44 km) |
| Sierpc to Canteleu | 838.55 mi (1,349.52 km) |
| Sierpc to Capbreton | 1,154.93 mi (1,858.67 km) |
| Sierpc to Carcassonne | 1,037.61 mi (1,669.87 km) |
| Sierpc to Carmaux | 1,003.49 mi (1,614.97 km) |
