| Leek to Castelfidardo | 974.08 mi (1,567.63 km) |
| Leek to Castelfiorentino | 884.61 mi (1,423.64 km) |
| Leek to Castelfranco di Sopra | 901.58 mi (1,450.95 km) |
| Leek to Castelfranco di Sotto | 872.53 mi (1,404.21 km) |
| Leek to Castelfranco Emilia | 833.77 mi (1,341.82 km) |
| Leek to Castelfranco Veneto | 808.97 mi (1,301.91 km) |
| Leek to Castellabate | 1,191.05 mi (1,916.81 km) |
| Leek to Castellammare del Golfo | 1,261.60 mi (2,030.35 km) |
| Leek to Castellammare di Stabia | 1,153.19 mi (1,855.88 km) |
| Leek to Castellamonte | 689.97 mi (1,110.39 km) |
| Leek to Castellana Grotte | 1,230.17 mi (1,979.77 km) |
| Leek to Castellaneta | 1,235.62 mi (1,988.54 km) |
| Leek to Castellanza | 712.28 mi (1,146.31 km) |
| Leek to Castellarano | 826.79 mi (1,330.59 km) |
| Leek to Castelleone | 756.05 mi (1,216.74 km) |
