| Difficult Run to Cassina de' Pecchi | 4,239.60 mi (6,822.97 km) |
| Difficult Run to Cassino | 4,571.54 mi (7,357.18 km) |
| Difficult Run to Castagneto Carducci | 4,370.80 mi (7,034.12 km) |
| Difficult Run to Castano Primo | 4,212.79 mi (6,779.82 km) |
| Difficult Run to Castel Bolognese | 4,383.82 mi (7,055.07 km) |
| Difficult Run to Castel Gandolfo | 4,510.57 mi (7,259.06 km) |
| Difficult Run to Castel Goffredo | 4,294.14 mi (6,910.75 km) |
| Difficult Run to Castel Maggiore | 4,356.72 mi (7,011.46 km) |
| Difficult Run to Castel Mella | 4,273.65 mi (6,877.77 km) |
| Difficult Run to Castel San Giorgio | 4,636.05 mi (7,461.00 km) |
| Difficult Run to Castel San Giovanni | 4,257.52 mi (6,851.82 km) |
| Difficult Run to Castel San Pietro Terme | 4,371.66 mi (7,035.51 km) |
| Difficult Run to Castel Volturno | 4,591.62 mi (7,389.49 km) |
| Difficult Run to Castelbuono | 4,715.66 mi (7,589.11 km) |
| Difficult Run to Casteldaccia | 4,685.38 mi (7,540.39 km) |
