| Somero to Castelli Calepio | 1,174.82 mi (1,890.69 km) |
| Somero to Castelnovo ne' Monti | 1,242.38 mi (1,999.42 km) |
| Somero to Castelnuovo Berardenga | 1,294.33 mi (2,083.02 km) |
| Somero to Castelnuovo di Porto | 1,359.36 mi (2,187.68 km) |
| Somero to Castelnuovo di Verona | 1,171.52 mi (1,885.38 km) |
| Somero to Castelnuovo Rangone | 1,225.50 mi (1,972.25 km) |
| Somero to Castelvetrano | 1,653.15 mi (2,660.49 km) |
| Somero to Castelvetro di Modena | 1,228.45 mi (1,977.00 km) |
| Somero to Castenaso | 1,219.01 mi (1,961.80 km) |
| Somero to Castenedolo | 1,177.73 mi (1,895.37 km) |
| Somero to Castiglion Fiorentino | 1,288.04 mi (2,072.90 km) |
| Somero to Castiglione del Lago | 1,299.56 mi (2,091.45 km) |
| Somero to Castiglione delle Stiviere | 1,178.49 mi (1,896.59 km) |
| Somero to Castrolibero | 1,506.12 mi (2,423.86 km) |
| Somero to Castrovillari | 1,472.08 mi (2,369.08 km) |
