| Risca to Castelfidardo | 954.95 mi (1,536.85 km) |
| Risca to Castelfiorentino | 854.77 mi (1,375.63 km) |
| Risca to Castelfranco di Sopra | 874.65 mi (1,407.62 km) |
| Risca to Castelfranco di Sotto | 842.24 mi (1,355.46 km) |
| Risca to Castelfranco Emilia | 810.47 mi (1,304.32 km) |
| Risca to Castelfranco Veneto | 797.19 mi (1,282.96 km) |
| Risca to Castellabate | 1,162.21 mi (1,870.40 km) |
| Risca to Castellammare del Golfo | 1,216.55 mi (1,957.84 km) |
| Risca to Castellammare di Stabia | 1,124.25 mi (1,809.30 km) |
| Risca to Castellamonte | 654.33 mi (1,053.05 km) |
| Risca to Castellana Grotte | 1,212.12 mi (1,950.72 km) |
| Risca to Castellaneta | 1,215.66 mi (1,956.41 km) |
| Risca to Castellanza | 685.17 mi (1,102.67 km) |
| Risca to Castellarano | 801.99 mi (1,290.69 km) |
| Risca to Castelleone | 731.14 mi (1,176.66 km) |
