| Silleda to Castelfidardo | 1,097.21 mi (1,765.79 km) |
| Silleda to Castelfiorentino | 967.67 mi (1,557.31 km) |
| Silleda to Castelfranco di Sopra | 997.14 mi (1,604.73 km) |
| Silleda to Castelfranco di Sotto | 956.52 mi (1,539.38 km) |
| Silleda to Castelfranco Emilia | 970.75 mi (1,562.28 km) |
| Silleda to Castelfranco Veneto | 1,017.13 mi (1,636.91 km) |
| Silleda to Castellabate | 1,207.74 mi (1,943.68 km) |
| Silleda to Castellammare del Golfo | 1,154.02 mi (1,857.22 km) |
| Silleda to Castellammare di Stabia | 1,176.35 mi (1,893.16 km) |
| Silleda to Castellamonte | 811.88 mi (1,306.59 km) |
| Silleda to Castellana Grotte | 1,309.50 mi (2,107.43 km) |
| Silleda to Castellaneta | 1,301.92 mi (2,095.23 km) |
| Silleda to Castellanza | 871.02 mi (1,401.76 km) |
| Silleda to Castellarano | 957.46 mi (1,540.88 km) |
| Silleda to Castelleone | 910.15 mi (1,464.74 km) |
