| Seia to Celano | 1,107.40 mi (1,782.19 km) |
| Seia to Cento | 1,008.12 mi (1,622.41 km) |
| Seia to Cepagatti | 1,133.16 mi (1,823.65 km) |
| Seia to Ceprano | 1,106.66 mi (1,781.00 km) |
| Seia to Cercola | 1,153.46 mi (1,856.32 km) |
| Seia to Cerea | 1,011.33 mi (1,627.58 km) |
| Seia to Cerese | 986.88 mi (1,588.24 km) |
| Seia to Cerignola | 1,231.24 mi (1,981.49 km) |
| Seia to Cermenate | 920.20 mi (1,480.93 km) |
| Seia to Cernusco sul Naviglio | 928.11 mi (1,493.65 km) |
| Seia to Cerreto Guidi | 978.23 mi (1,574.30 km) |
| Seia to Cerro Maggiore | 912.01 mi (1,467.73 km) |
| Seia to Certaldo | 984.28 mi (1,584.05 km) |
| Seia to Cerveteri | 1,032.72 mi (1,662.00 km) |
| Seia to Cervia | 1,055.17 mi (1,698.14 km) |
