| Siechnice to Cognac | 880.40 mi (1,416.86 km) |
| Siechnice to Cogolin | 732.36 mi (1,178.62 km) |
| Siechnice to Colmar | 483.72 mi (778.47 km) |
| Siechnice to Colombes | 676.67 mi (1,089.00 km) |
| Siechnice to Colomiers | 897.96 mi (1,445.12 km) |
| Siechnice to Combs-la-Ville | 669.08 mi (1,076.78 km) |
| Siechnice to Comines | 615.72 mi (990.91 km) |
| Siechnice to Compiegne | 642.17 mi (1,033.47 km) |
| Siechnice to Concarneau | 967.65 mi (1,557.27 km) |
| Siechnice to Conde-sur-l'Escaut | 593.50 mi (955.15 km) |
| Siechnice to Conflans-Sainte-Honorine | 681.72 mi (1,097.12 km) |
| Siechnice to Corbas | 672.47 mi (1,082.23 km) |
| Siechnice to Corbeil-Essonnes | 673.74 mi (1,084.29 km) |
| Siechnice to Cormeilles-en-Parisis | 677.80 mi (1,090.81 km) |
| Siechnice to Cosne sur Loire | 687.80 mi (1,106.90 km) |
