| Seia to Chivasso | 854.39 mi (1,375.01 km) |
| Seia to Ciampino | 1,058.69 mi (1,703.80 km) |
| Seia to Cicciano | 1,162.31 mi (1,870.56 km) |
| Seia to Cingoli | 1,091.94 mi (1,757.30 km) |
| Seia to Cinisello Balsamo | 923.35 mi (1,485.98 km) |
| Seia to Cinisi | 1,120.54 mi (1,803.33 km) |
| Seia to Cirie | 842.00 mi (1,355.06 km) |
| Seia to Ciro Marina | 1,313.91 mi (2,114.53 km) |
| Seia to Cislago | 913.80 mi (1,470.62 km) |
| Seia to Cisterna di Latina | 1,070.98 mi (1,723.58 km) |
| Seia to Cisternino | 1,314.72 mi (2,115.84 km) |
| Seia to Citta di Castello | 1,043.71 mi (1,679.69 km) |
| Seia to Citta Sant'Angelo | 1,132.26 mi (1,822.20 km) |
| Seia to Cittadella | 1,045.02 mi (1,681.80 km) |
| Seia to Cittanova | 1,274.34 mi (2,050.85 km) |
