| Horley to Castelfidardo | 832.31 mi (1,339.48 km) |
| Horley to Castelfiorentino | 736.95 mi (1,186.01 km) |
| Horley to Castelfranco di Sopra | 755.36 mi (1,215.64 km) |
| Horley to Castelfranco di Sotto | 724.64 mi (1,166.20 km) |
| Horley to Castelfranco Emilia | 689.32 mi (1,109.36 km) |
| Horley to Castelfranco Veneto | 671.66 mi (1,080.93 km) |
| Horley to Castellabate | 1,044.32 mi (1,680.67 km) |
| Horley to Castellammare del Golfo | 1,108.86 mi (1,784.53 km) |
| Horley to Castellammare di Stabia | 1,006.37 mi (1,619.59 km) |
| Horley to Castellamonte | 539.38 mi (868.05 km) |
| Horley to Castellana Grotte | 1,089.39 mi (1,753.20 km) |
| Horley to Castellaneta | 1,093.70 mi (1,760.13 km) |
| Horley to Castellanza | 565.51 mi (910.10 km) |
| Horley to Castellarano | 681.52 mi (1,096.80 km) |
| Horley to Castelleone | 610.54 mi (982.56 km) |
