| Portchester to Cognac | 357.42 mi (575.21 km) |
| Portchester to Cogolin | 635.41 mi (1,022.59 km) |
| Portchester to Colmar | 425.38 mi (684.58 km) |
| Portchester to Colombes | 200.23 mi (322.25 km) |
| Portchester to Colomiers | 512.46 mi (824.73 km) |
| Portchester to Combs-la-Ville | 222.45 mi (357.99 km) |
| Portchester to Comines | 180.31 mi (290.19 km) |
| Portchester to Compiegne | 200.53 mi (322.72 km) |
| Portchester to Concarneau | 240.54 mi (387.12 km) |
| Portchester to Conde-sur-l'Escaut | 208.13 mi (334.95 km) |
| Portchester to Conflans-Sainte-Honorine | 191.56 mi (308.29 km) |
| Portchester to Corbas | 451.94 mi (727.33 km) |
| Portchester to Corbeil-Essonnes | 222.62 mi (358.27 km) |
| Portchester to Cormeilles-en-Parisis | 196.19 mi (315.73 km) |
| Portchester to Cosne sur Loire | 299.35 mi (481.76 km) |
