| Harsum to Catania | 1,045.99 mi (1,683.36 km) |
| Harsum to Catanzaro | 972.82 mi (1,565.60 km) |
| Harsum to Cattolica | 583.34 mi (938.79 km) |
| Harsum to Cava de' Tirreni | 825.89 mi (1,329.14 km) |
| Harsum to Cavallino | 909.48 mi (1,463.67 km) |
| Harsum to Cavarzere | 497.82 mi (801.17 km) |
| Harsum to Cave | 731.16 mi (1,176.70 km) |
| Harsum to Cavriago | 519.23 mi (835.63 km) |
| Harsum to Cavriglia | 604.43 mi (972.74 km) |
| Harsum to Cazzago San Martino | 457.66 mi (736.54 km) |
| Harsum to Ceccano | 751.91 mi (1,210.08 km) |
| Harsum to Cecina | 614.69 mi (989.25 km) |
| Harsum to Cefalu | 998.56 mi (1,607.03 km) |
| Harsum to Ceglie Messapico | 874.30 mi (1,407.05 km) |
| Harsum to Celano | 719.07 mi (1,157.23 km) |
