| Seia to Collegno | 837.42 mi (1,347.69 km) |
| Seia to Cologno al Serio | 946.43 mi (1,523.14 km) |
| Seia to Cologno Monzese | 925.79 mi (1,489.91 km) |
| Seia to Colorno | 967.65 mi (1,557.29 km) |
| Seia to Comacchio | 1,051.25 mi (1,691.82 km) |
| Seia to Comiso | 1,223.06 mi (1,968.33 km) |
| Seia to Como | 922.64 mi (1,484.84 km) |
| Seia to Concordia Sagittaria | 1,097.00 mi (1,765.45 km) |
| Seia to Concorezzo | 929.65 mi (1,496.13 km) |
| Seia to Conegliano | 1,072.91 mi (1,726.69 km) |
| Seia to Conselice | 1,032.23 mi (1,661.21 km) |
| Seia to Conselve | 1,042.75 mi (1,678.15 km) |
| Seia to Conversano | 1,296.35 mi (2,086.28 km) |
| Seia to Copertino | 1,351.34 mi (2,174.78 km) |
| Seia to Copparo | 1,036.73 mi (1,668.45 km) |
