| Seia to Caltagirone | 1,212.42 mi (1,951.19 km) |
| Seia to Caltanissetta | 1,183.68 mi (1,904.95 km) |
| Seia to Calvisano | 972.46 mi (1,565.03 km) |
| Seia to Calvizzano | 1,144.57 mi (1,842.01 km) |
| Seia to Camaiore | 951.02 mi (1,530.52 km) |
| Seia to Cameri | 896.10 mi (1,442.13 km) |
| Seia to Camisano Vicentino | 1,039.80 mi (1,673.40 km) |
| Seia to Campagna | 1,193.97 mi (1,921.51 km) |
| Seia to Campagnano di Roma | 1,047.18 mi (1,685.28 km) |
| Seia to Campi Bisenzio | 991.03 mi (1,594.91 km) |
| Seia to Campi Salentina | 1,348.22 mi (2,169.75 km) |
| Seia to Campiglia Marittima | 959.87 mi (1,544.75 km) |
| Seia to Campobasso | 1,165.95 mi (1,876.42 km) |
| Seia to Campobello di Licata | 1,180.88 mi (1,900.44 km) |
| Seia to Campobello di Mazara | 1,111.95 mi (1,789.50 km) |
