| Harwich to Castelfidardo | 815.55 mi (1,312.50 km) |
| Harwich to Castelfiorentino | 729.80 mi (1,174.49 km) |
| Harwich to Castelfranco di Sopra | 745.56 mi (1,199.87 km) |
| Harwich to Castelfranco di Sotto | 717.97 mi (1,155.47 km) |
| Harwich to Castelfranco Emilia | 676.78 mi (1,089.17 km) |
| Harwich to Castelfranco Veneto | 649.35 mi (1,045.03 km) |
| Harwich to Castellabate | 1,034.89 mi (1,665.50 km) |
| Harwich to Castellammare del Golfo | 1,112.97 mi (1,791.15 km) |
| Harwich to Castellammare di Stabia | 997.16 mi (1,604.78 km) |
| Harwich to Castellamonte | 539.42 mi (868.12 km) |
| Harwich to Castellana Grotte | 1,071.07 mi (1,723.72 km) |
| Harwich to Castellaneta | 1,076.90 mi (1,733.10 km) |
| Harwich to Castellanza | 557.35 mi (896.97 km) |
| Harwich to Castellarano | 670.33 mi (1,078.78 km) |
| Harwich to Castelleone | 599.97 mi (965.56 km) |
