| Half Moon Bay to Castelletto sopra Ticino | 5,935.44 mi (9,552.17 km) |
| Half Moon Bay to Castelli Calepio | 5,976.39 mi (9,618.07 km) |
| Half Moon Bay to Castelnovo ne' Monti | 6,057.91 mi (9,749.27 km) |
| Half Moon Bay to Castelnuovo Berardenga | 6,150.92 mi (9,898.95 km) |
| Half Moon Bay to Castelnuovo di Porto | 6,248.66 mi (10,056.25 km) |
| Half Moon Bay to Castelnuovo di Verona | 6,012.09 mi (9,675.53 km) |
| Half Moon Bay to Castelnuovo Rangone | 6,066.59 mi (9,763.23 km) |
| Half Moon Bay to Castelvetrano | 6,511.91 mi (10,479.91 km) |
| Half Moon Bay to Castelvetro di Modena | 6,069.88 mi (9,768.53 km) |
| Half Moon Bay to Castenaso | 6,084.08 mi (9,791.38 km) |
| Half Moon Bay to Castenedolo | 5,996.76 mi (9,650.85 km) |
| Half Moon Bay to Castiglion Fiorentino | 6,162.98 mi (9,918.36 km) |
| Half Moon Bay to Castiglione del Lago | 6,178.34 mi (9,943.09 km) |
| Half Moon Bay to Castiglione delle Stiviere | 6,006.45 mi (9,666.46 km) |
| Half Moon Bay to Castrolibero | 6,517.29 mi (10,488.57 km) |
