| Harwich to Cividale del Friuli | 681.55 mi (1,096.84 km) |
| Harwich to Civita Castellana | 845.36 mi (1,360.48 km) |
| Harwich to Civitanova Marche | 830.29 mi (1,336.22 km) |
| Harwich to Civitavecchia | 839.55 mi (1,351.12 km) |
| Harwich to Civitella in Val di Chiana | 761.80 mi (1,225.99 km) |
| Harwich to Clusone | 573.95 mi (923.68 km) |
| Harwich to Coccaglio | 591.88 mi (952.54 km) |
| Harwich to Codigoro | 697.62 mi (1,122.71 km) |
| Harwich to Codogno | 605.86 mi (975.03 km) |
| Harwich to Codroipo | 671.49 mi (1,080.66 km) |
| Harwich to Cogoleto | 621.72 mi (1,000.57 km) |
| Harwich to Colle di Val d'Elsa | 745.92 mi (1,200.43 km) |
| Harwich to Colle Salvetti | 716.30 mi (1,152.78 km) |
| Harwich to Collecchio | 643.50 mi (1,035.62 km) |
| Harwich to Colleferro | 895.03 mi (1,440.41 km) |
