| Somma Lombardo to Castelfidardo | 283.47 mi (456.20 km) |
| Somma Lombardo to Castelfiorentino | 182.02 mi (292.93 km) |
| Somma Lombardo to Castelfranco di Sopra | 199.95 mi (321.78 km) |
| Somma Lombardo to Castelfranco di Sotto | 170.04 mi (273.65 km) |
| Somma Lombardo to Castelfranco Emilia | 137.05 mi (220.56 km) |
| Somma Lombardo to Castelfranco Veneto | 156.09 mi (251.20 km) |
| Somma Lombardo to Castellabate | 488.89 mi (786.79 km) |
| Somma Lombardo to Castellammare del Golfo | 570.90 mi (918.78 km) |
| Somma Lombardo to Castellammare di Stabia | 450.96 mi (725.75 km) |
| Somma Lombardo to Castellamonte | 52.15 mi (83.93 km) |
| Somma Lombardo to Castellana Grotte | 539.26 mi (867.86 km) |
| Somma Lombardo to Castellaneta | 541.66 mi (871.72 km) |
| Somma Lombardo to Castellanza | 10.70 mi (17.22 km) |
| Somma Lombardo to Castellarano | 127.53 mi (205.24 km) |
| Somma Lombardo to Castelleone | 57.94 mi (93.25 km) |
