| Somero to Cassino | 1,383.80 mi (2,227.01 km) |
| Somero to Castagneto Carducci | 1,320.98 mi (2,125.92 km) |
| Somero to Castano Primo | 1,202.34 mi (1,934.98 km) |
| Somero to Castel Bolognese | 1,226.18 mi (1,973.35 km) |
| Somero to Castel Gandolfo | 1,382.90 mi (2,225.55 km) |
| Somero to Castel Goffredo | 1,185.47 mi (1,907.83 km) |
| Somero to Castel Maggiore | 1,217.04 mi (1,958.63 km) |
| Somero to Castel Mella | 1,178.57 mi (1,896.73 km) |
| Somero to Castel San Giorgio | 1,421.77 mi (2,288.12 km) |
| Somero to Castel San Giovanni | 1,220.79 mi (1,964.67 km) |
| Somero to Castel San Pietro Terme | 1,224.28 mi (1,970.29 km) |
| Somero to Castel Volturno | 1,412.97 mi (2,273.96 km) |
| Somero to Castelbuono | 1,621.05 mi (2,608.83 km) |
| Somero to Casteldaccia | 1,619.57 mi (2,606.45 km) |
| Somero to Castelfidardo | 1,256.36 mi (2,021.91 km) |
