| Harwich to Cabestany | 644.11 mi (1,036.59 km) |
| Harwich to Cabries | 616.95 mi (992.89 km) |
| Harwich to Cachan | 222.12 mi (357.46 km) |
| Harwich to Caen | 203.37 mi (327.29 km) |
| Harwich to Cagnes-sur-Mer | 632.76 mi (1,018.32 km) |
| Harwich to Cahors | 517.33 mi (832.56 km) |
| Harwich to Calais | 72.71 mi (117.01 km) |
| Harwich to Caluire-et-Cuire | 454.16 mi (730.90 km) |
| Harwich to Cambrai | 148.51 mi (239.01 km) |
| Harwich to Canet-en-Roussillon | 642.76 mi (1,034.43 km) |
| Harwich to Cannes | 637.28 mi (1,025.61 km) |
| Harwich to Canteleu | 171.85 mi (276.56 km) |
| Harwich to Capbreton | 586.35 mi (943.64 km) |
| Harwich to Carcassonne | 604.87 mi (973.44 km) |
| Harwich to Carmaux | 546.33 mi (879.24 km) |
