| Half Moon Bay to Cortona | 6,168.84 mi (9,927.79 km) |
| Half Moon Bay to Cosenza | 6,519.68 mi (10,492.41 km) |
| Half Moon Bay to Cossato | 5,930.15 mi (9,543.65 km) |
| Half Moon Bay to Costa Volpino | 5,970.99 mi (9,609.38 km) |
| Half Moon Bay to Creazzo | 6,026.43 mi (9,698.61 km) |
| Half Moon Bay to Crema | 5,985.10 mi (9,632.09 km) |
| Half Moon Bay to Cremona | 6,008.16 mi (9,669.19 km) |
| Half Moon Bay to Crevalcore | 6,063.32 mi (9,757.96 km) |
| Half Moon Bay to Crispiano | 6,470.05 mi (10,412.54 km) |
| Half Moon Bay to Crosia | 6,518.39 mi (10,490.33 km) |
| Half Moon Bay to Crotone | 6,556.65 mi (10,551.90 km) |
| Half Moon Bay to Cuneo | 5,976.85 mi (9,618.82 km) |
| Half Moon Bay to Cuorgne | 5,924.68 mi (9,534.85 km) |
| Half Moon Bay to Cusano Milanino | 5,960.55 mi (9,592.57 km) |
| Half Moon Bay to Cutro | 6,555.91 mi (10,550.71 km) |
