| Difficult Run to Capodrise | 4,608.55 mi (7,416.74 km) |
| Difficult Run to Capoterra | 4,434.92 mi (7,137.32 km) |
| Difficult Run to Capriolo | 4,259.95 mi (6,855.73 km) |
| Difficult Run to Capua | 4,602.71 mi (7,407.35 km) |
| Difficult Run to Capurso | 4,723.22 mi (7,601.28 km) |
| Difficult Run to Carate Brianza | 4,223.74 mi (6,797.46 km) |
| Difficult Run to Caravaggio | 4,252.05 mi (6,843.01 km) |
| Difficult Run to Carbonera | 4,358.06 mi (7,013.62 km) |
| Difficult Run to Carbonia | 4,414.41 mi (7,104.30 km) |
| Difficult Run to Cardito | 4,612.22 mi (7,422.66 km) |
| Difficult Run to Carignano | 4,185.82 mi (6,736.43 km) |
| Difficult Run to Carini | 4,666.26 mi (7,509.61 km) |
| Difficult Run to Carlentini | 4,782.27 mi (7,696.32 km) |
| Difficult Run to Carmagnola | 4,189.51 mi (6,742.37 km) |
| Difficult Run to Carmiano | 4,799.43 mi (7,723.93 km) |
