| Half Moon Bay to Castrovillari | 6,487.91 mi (10,441.28 km) |
| Half Moon Bay to Catania | 6,591.59 mi (10,608.15 km) |
| Half Moon Bay to Catanzaro | 6,553.05 mi (10,546.12 km) |
| Half Moon Bay to Cattolica | 6,150.38 mi (9,898.08 km) |
| Half Moon Bay to Cava de' Tirreni | 6,394.11 mi (10,290.33 km) |
| Half Moon Bay to Cavallino | 6,512.80 mi (10,481.33 km) |
| Half Moon Bay to Cavarzere | 6,065.49 mi (9,761.46 km) |
| Half Moon Bay to Cave | 6,279.25 mi (10,105.48 km) |
| Half Moon Bay to Cavriago | 6,046.74 mi (9,731.30 km) |
| Half Moon Bay to Cavriglia | 6,140.72 mi (9,882.53 km) |
| Half Moon Bay to Cazzago San Martino | 5,982.85 mi (9,628.46 km) |
| Half Moon Bay to Ceccano | 6,305.08 mi (10,147.04 km) |
| Half Moon Bay to Cecina | 6,124.05 mi (9,855.70 km) |
| Half Moon Bay to Cefalu | 6,528.80 mi (10,507.09 km) |
| Half Moon Bay to Ceglie Messapico | 6,474.27 mi (10,419.32 km) |
