| Union to Chivasso | 4,778.08 mi (7,689.57 km) |
| Union to Ciampino | 5,106.67 mi (8,218.39 km) |
| Union to Cicciano | 5,221.03 mi (8,402.44 km) |
| Union to Cingoli | 5,065.52 mi (8,152.16 km) |
| Union to Cinisello Balsamo | 4,817.29 mi (7,752.69 km) |
| Union to Cinisi | 5,282.44 mi (8,501.26 km) |
| Union to Cirie | 4,764.79 mi (7,668.19 km) |
| Union to Ciro Marina | 5,396.91 mi (8,685.49 km) |
| Union to Cislago | 4,803.42 mi (7,730.36 km) |
| Union to Cisterna di Latina | 5,124.83 mi (8,247.61 km) |
| Union to Cisternino | 5,348.08 mi (8,606.90 km) |
| Union to Citta di Castello | 5,022.73 mi (8,083.30 km) |
| Union to Citta Sant'Angelo | 5,134.85 mi (8,263.74 km) |
| Union to Cittadella | 4,914.36 mi (7,908.89 km) |
| Union to Cittanova | 5,399.57 mi (8,689.78 km) |
