| Seia to Busto Arsizio | 907.72 mi (1,460.83 km) |
| Seia to Busto Garolfo | 908.02 mi (1,461.31 km) |
| Seia to Cabras | 856.55 mi (1,378.49 km) |
| Seia to Cadelbosco di Sopra | 975.65 mi (1,570.16 km) |
| Seia to Cadoneghe | 1,049.03 mi (1,688.25 km) |
| Seia to Cagli | 1,064.50 mi (1,713.15 km) |
| Seia to Cagliari | 894.64 mi (1,439.78 km) |
| Seia to Cairo Montenotte | 858.07 mi (1,380.93 km) |
| Seia to Caivano | 1,150.30 mi (1,851.24 km) |
| Seia to Calcinaia | 964.29 mi (1,551.88 km) |
| Seia to Calcinato | 977.56 mi (1,573.22 km) |
| Seia to Calderara di Reno | 1,005.27 mi (1,617.83 km) |
| Seia to Caldogno | 1,030.64 mi (1,658.66 km) |
| Seia to Calenzano | 993.12 mi (1,598.27 km) |
| Seia to Calolziocorte | 938.37 mi (1,510.16 km) |
