| Blackrock to Castelfiorentino | 1,028.06 mi (1,654.51 km) |
| Blackrock to Castelfranco di Sopra | 1,047.34 mi (1,685.53 km) |
| Blackrock to Castelfranco di Sotto | 1,015.60 mi (1,634.46 km) |
| Blackrock to Castelfranco Emilia | 982.12 mi (1,580.58 km) |
| Blackrock to Castelfranco Veneto | 964.88 mi (1,552.82 km) |
| Blackrock to Castellabate | 1,335.59 mi (2,149.43 km) |
| Blackrock to Castellammare del Golfo | 1,391.37 mi (2,239.20 km) |
| Blackrock to Castellammare di Stabia | 1,297.62 mi (2,088.32 km) |
| Blackrock to Castellamonte | 828.33 mi (1,333.07 km) |
| Blackrock to Castellana Grotte | 1,382.73 mi (2,225.29 km) |
| Blackrock to Castellaneta | 1,386.87 mi (2,231.95 km) |
| Blackrock to Castellanza | 857.56 mi (1,380.11 km) |
| Blackrock to Castellarano | 974.04 mi (1,567.57 km) |
| Blackrock to Castelleone | 903.08 mi (1,453.36 km) |
| Blackrock to Castelletto sopra Ticino | 843.48 mi (1,357.45 km) |
