| Harsum to Civita Castellana | 694.13 mi (1,117.10 km) |
| Harsum to Civitanova Marche | 639.55 mi (1,029.26 km) |
| Harsum to Civitavecchia | 703.49 mi (1,132.15 km) |
| Harsum to Civitella in Val di Chiana | 612.64 mi (985.94 km) |
| Harsum to Clusone | 436.82 mi (702.99 km) |
| Harsum to Coccaglio | 458.93 mi (738.57 km) |
| Harsum to Codigoro | 518.77 mi (834.89 km) |
| Harsum to Codogno | 486.93 mi (783.64 km) |
| Harsum to Codroipo | 452.36 mi (728.00 km) |
| Harsum to Cogoleto | 543.37 mi (874.48 km) |
| Harsum to Colle di Val d'Elsa | 610.80 mi (982.99 km) |
| Harsum to Colle Salvetti | 595.07 mi (957.66 km) |
| Harsum to Collecchio | 515.25 mi (829.22 km) |
| Harsum to Colleferro | 737.59 mi (1,187.03 km) |
| Harsum to Collegno | 504.33 mi (811.65 km) |
