| Southwick to Castelletto sopra Ticino | 539.30 mi (867.93 km) |
| Southwick to Castelli Calepio | 588.15 mi (946.54 km) |
| Southwick to Castelnovo ne' Monti | 662.95 mi (1,066.92 km) |
| Southwick to Castelnuovo Berardenga | 755.22 mi (1,215.41 km) |
| Southwick to Castelnuovo di Porto | 851.47 mi (1,370.30 km) |
| Southwick to Castelnuovo di Verona | 628.93 mi (1,012.16 km) |
| Southwick to Castelnuovo Rangone | 675.93 mi (1,087.81 km) |
| Southwick to Castelvetrano | 1,110.76 mi (1,787.60 km) |
| Southwick to Castelvetro di Modena | 678.93 mi (1,092.63 km) |
| Southwick to Castenaso | 697.06 mi (1,121.81 km) |
| Southwick to Castenedolo | 610.00 mi (981.70 km) |
| Southwick to Castiglion Fiorentino | 769.63 mi (1,238.60 km) |
| Southwick to Castiglione del Lago | 784.40 mi (1,262.38 km) |
| Southwick to Castiglione delle Stiviere | 620.62 mi (998.80 km) |
| Southwick to Castrolibero | 1,125.10 mi (1,810.68 km) |
