| Seia to Cassina de' Pecchi | 929.66 mi (1,496.15 km) |
| Seia to Cassino | 1,123.21 mi (1,807.63 km) |
| Seia to Castagneto Carducci | 959.62 mi (1,544.36 km) |
| Seia to Castano Primo | 902.51 mi (1,452.46 km) |
| Seia to Castel Bolognese | 1,028.50 mi (1,655.22 km) |
| Seia to Castel Gandolfo | 1,061.48 mi (1,708.28 km) |
| Seia to Castel Goffredo | 977.71 mi (1,573.47 km) |
| Seia to Castel Maggiore | 1,010.12 mi (1,625.64 km) |
| Seia to Castel Mella | 965.89 mi (1,554.45 km) |
| Seia to Castel San Giorgio | 1,172.26 mi (1,886.57 km) |
| Seia to Castel San Giovanni | 924.33 mi (1,487.57 km) |
| Seia to Castel San Pietro Terme | 1,018.79 mi (1,639.58 km) |
| Seia to Castel Volturno | 1,129.77 mi (1,818.20 km) |
| Seia to Castelbuono | 1,177.26 mi (1,894.62 km) |
| Seia to Casteldaccia | 1,145.37 mi (1,843.29 km) |
