| Siedlce to Cognac | 1,113.08 mi (1,791.33 km) |
| Siedlce to Cogolin | 952.88 mi (1,533.51 km) |
| Siedlce to Colmar | 716.76 mi (1,153.52 km) |
| Siedlce to Colombes | 903.87 mi (1,454.63 km) |
| Siedlce to Colomiers | 1,129.56 mi (1,817.86 km) |
| Siedlce to Combs-la-Ville | 897.62 mi (1,444.58 km) |
| Siedlce to Comines | 832.38 mi (1,339.59 km) |
| Siedlce to Compiegne | 867.63 mi (1,396.31 km) |
| Siedlce to Concarneau | 1,192.68 mi (1,919.43 km) |
| Siedlce to Conde-sur-l'Escaut | 813.22 mi (1,308.75 km) |
| Siedlce to Conflans-Sainte-Honorine | 908.42 mi (1,461.95 km) |
| Siedlce to Corbas | 904.15 mi (1,455.09 km) |
| Siedlce to Corbeil-Essonnes | 902.42 mi (1,452.30 km) |
| Siedlce to Cormeilles-en-Parisis | 904.71 mi (1,456.00 km) |
| Siedlce to Cosne sur Loire | 919.97 mi (1,480.55 km) |
