| Sierning to Cogolin | 500.39 mi (805.30 km) |
| Sierning to Colmar | 321.03 mi (516.64 km) |
| Sierning to Colombes | 554.94 mi (893.10 km) |
| Sierning to Colomiers | 694.38 mi (1,117.49 km) |
| Sierning to Combs-la-Ville | 540.65 mi (870.08 km) |
| Sierning to Comines | 541.04 mi (870.72 km) |
| Sierning to Compiegne | 531.46 mi (855.29 km) |
| Sierning to Concarneau | 841.53 mi (1,354.31 km) |
| Sierning to Conde-sur-l'Escaut | 510.68 mi (821.87 km) |
| Sierning to Conflans-Sainte-Honorine | 562.10 mi (904.61 km) |
| Sierning to Corbas | 473.49 mi (762.01 km) |
| Sierning to Corbeil-Essonnes | 544.21 mi (875.82 km) |
| Sierning to Cormeilles-en-Parisis | 557.36 mi (896.99 km) |
| Sierning to Cosne sur Loire | 530.45 mi (853.68 km) |
| Sierning to Coudekerque-Branche | 571.92 mi (920.41 km) |
