| Harsum to Cassino | 761.69 mi (1,225.82 km) |
| Harsum to Castagneto Carducci | 625.22 mi (1,006.19 km) |
| Harsum to Castano Primo | 463.01 mi (745.15 km) |
| Harsum to Castel Bolognese | 551.54 mi (887.62 km) |
| Harsum to Castel Gandolfo | 733.53 mi (1,180.51 km) |
| Harsum to Castel Goffredo | 477.82 mi (768.98 km) |
| Harsum to Castel Maggiore | 531.69 mi (855.67 km) |
| Harsum to Castel Mella | 463.38 mi (745.74 km) |
| Harsum to Castel San Giorgio | 820.31 mi (1,320.16 km) |
| Harsum to Castel San Giovanni | 494.97 mi (796.58 km) |
| Harsum to Castel San Pietro Terme | 544.40 mi (876.13 km) |
| Harsum to Castel Volturno | 792.99 mi (1,276.19 km) |
| Harsum to Castelbuono | 1,006.16 mi (1,619.26 km) |
| Harsum to Casteldaccia | 993.12 mi (1,598.27 km) |
| Harsum to Castelfidardo | 626.24 mi (1,007.83 km) |
