| Saint Helens to Castelfidardo | 1,012.27 mi (1,629.09 km) |
| Saint Helens to Castelfiorentino | 922.71 mi (1,484.96 km) |
| Saint Helens to Castelfranco di Sopra | 939.74 mi (1,512.36 km) |
| Saint Helens to Castelfranco di Sotto | 910.62 mi (1,465.51 km) |
| Saint Helens to Castelfranco Emilia | 871.97 mi (1,403.29 km) |
| Saint Helens to Castelfranco Veneto | 847.05 mi (1,363.19 km) |
| Saint Helens to Castellabate | 1,229.21 mi (1,978.22 km) |
| Saint Helens to Castellammare del Golfo | 1,299.10 mi (2,090.69 km) |
| Saint Helens to Castellammare di Stabia | 1,191.35 mi (1,917.29 km) |
| Saint Helens to Castellamonte | 727.79 mi (1,171.27 km) |
| Saint Helens to Castellana Grotte | 1,268.33 mi (2,041.18 km) |
| Saint Helens to Castellaneta | 1,273.81 mi (2,049.99 km) |
| Saint Helens to Castellanza | 750.41 mi (1,207.67 km) |
| Saint Helens to Castellarano | 864.97 mi (1,392.04 km) |
| Saint Helens to Castelleone | 794.22 mi (1,278.17 km) |
