| Siran to Castelfidardo | 1,330.89 mi (2,141.86 km) |
| Siran to Castelfiorentino | 1,460.13 mi (2,349.86 km) |
| Siran to Castelfranco di Sopra | 1,430.53 mi (2,302.22 km) |
| Siran to Castelfranco di Sotto | 1,470.92 mi (2,367.21 km) |
| Siran to Castelfranco Emilia | 1,456.90 mi (2,344.66 km) |
| Siran to Castelfranco Veneto | 1,419.18 mi (2,283.95 km) |
| Siran to Castellabate | 1,271.12 mi (2,045.67 km) |
| Siran to Castellammare del Golfo | 1,409.89 mi (2,269.00 km) |
| Siran to Castellammare di Stabia | 1,292.23 mi (2,079.64 km) |
| Siran to Castellamonte | 1,621.84 mi (2,610.10 km) |
| Siran to Castellana Grotte | 1,151.10 mi (1,852.52 km) |
| Siran to Castellaneta | 1,164.86 mi (1,874.66 km) |
| Siran to Castellanza | 1,565.01 mi (2,518.63 km) |
| Siran to Castellarano | 1,470.08 mi (2,365.87 km) |
| Siran to Castelleone | 1,522.18 mi (2,449.72 km) |
