| Harwich to Cognac | 437.06 mi (703.37 km) |
| Harwich to Cogolin | 647.62 mi (1,042.24 km) |
| Harwich to Colmar | 379.18 mi (610.24 km) |
| Harwich to Colombes | 212.47 mi (341.94 km) |
| Harwich to Colomiers | 574.87 mi (925.17 km) |
| Harwich to Combs-la-Ville | 232.63 mi (374.38 km) |
| Harwich to Comines | 110.53 mi (177.88 km) |
| Harwich to Compiegne | 186.92 mi (300.82 km) |
| Harwich to Concarneau | 362.96 mi (584.13 km) |
| Harwich to Conde-sur-l'Escaut | 143.71 mi (231.28 km) |
| Harwich to Conflans-Sainte-Honorine | 206.05 mi (331.60 km) |
| Harwich to Corbas | 463.33 mi (745.65 km) |
| Harwich to Corbeil-Essonnes | 235.59 mi (379.14 km) |
| Harwich to Cormeilles-en-Parisis | 208.62 mi (335.74 km) |
| Harwich to Cosne sur Loire | 321.22 mi (516.95 km) |
