| Trecastagni to Cortona | 423.43 mi (681.44 km) |
| Trecastagni to Cosenza | 132.33 mi (212.96 km) |
| Trecastagni to Cossato | 654.76 mi (1,053.73 km) |
| Trecastagni to Costa Volpino | 622.69 mi (1,002.12 km) |
| Trecastagni to Creazzo | 577.60 mi (929.56 km) |
| Trecastagni to Crema | 603.67 mi (971.51 km) |
| Trecastagni to Cremona | 581.32 mi (935.54 km) |
| Trecastagni to Crevalcore | 531.34 mi (855.11 km) |
| Trecastagni to Crispiano | 236.15 mi (380.04 km) |
| Trecastagni to Crosia | 162.53 mi (261.56 km) |
| Trecastagni to Crotone | 149.68 mi (240.89 km) |
| Trecastagni to Cuneo | 610.09 mi (981.85 km) |
| Trecastagni to Cuorgne | 659.95 mi (1,062.09 km) |
| Trecastagni to Cusano Milanino | 626.81 mi (1,008.76 km) |
| Trecastagni to Cutro | 142.02 mi (228.56 km) |
