| Portishead to Cognac | 415.04 mi (667.94 km) |
| Portishead to Cogolin | 714.75 mi (1,150.27 km) |
| Portishead to Colmar | 508.33 mi (818.08 km) |
| Portishead to Colombes | 283.58 mi (456.38 km) |
| Portishead to Colomiers | 576.16 mi (927.24 km) |
| Portishead to Combs-la-Ville | 305.65 mi (491.89 km) |
| Portishead to Comines | 255.11 mi (410.56 km) |
| Portishead to Compiegne | 284.19 mi (457.36 km) |
| Portishead to Concarneau | 254.63 mi (409.79 km) |
| Portishead to Conde-sur-l'Escaut | 285.44 mi (459.37 km) |
| Portishead to Conflans-Sainte-Honorine | 274.88 mi (442.37 km) |
| Portishead to Corbas | 532.56 mi (857.08 km) |
| Portishead to Corbeil-Essonnes | 305.59 mi (491.80 km) |
| Portishead to Cormeilles-en-Parisis | 279.57 mi (449.93 km) |
| Portishead to Cosne sur Loire | 379.91 mi (611.40 km) |
