| Harwich to Cortona | 777.69 mi (1,251.57 km) |
| Harwich to Cosenza | 1,129.62 mi (1,817.95 km) |
| Harwich to Cossato | 540.19 mi (869.35 km) |
| Harwich to Costa Volpino | 581.36 mi (935.61 km) |
| Harwich to Creazzo | 641.05 mi (1,031.68 km) |
| Harwich to Crema | 593.79 mi (955.61 km) |
| Harwich to Cremona | 616.93 mi (992.85 km) |
| Harwich to Crevalcore | 673.25 mi (1,083.48 km) |
| Harwich to Crispiano | 1,088.49 mi (1,751.75 km) |
| Harwich to Crosia | 1,130.43 mi (1,819.25 km) |
| Harwich to Crotone | 1,168.47 mi (1,880.48 km) |
| Harwich to Cuneo | 596.18 mi (959.47 km) |
| Harwich to Cuorgne | 537.43 mi (864.91 km) |
| Harwich to Cusano Milanino | 569.14 mi (915.94 km) |
| Harwich to Cutro | 1,167.17 mi (1,878.38 km) |
