| Half Moon Bay to Chivasso | 5,942.59 mi (9,563.68 km) |
| Half Moon Bay to Ciampino | 6,270.61 mi (10,091.57 km) |
| Half Moon Bay to Cicciano | 6,373.90 mi (10,257.81 km) |
| Half Moon Bay to Cingoli | 6,198.27 mi (9,975.15 km) |
| Half Moon Bay to Cinisello Balsamo | 5,961.51 mi (9,594.12 km) |
| Half Moon Bay to Cinisi | 6,493.56 mi (10,450.38 km) |
| Half Moon Bay to Cirie | 5,931.68 mi (9,546.11 km) |
| Half Moon Bay to Ciro Marina | 6,540.03 mi (10,525.16 km) |
| Half Moon Bay to Cislago | 5,948.76 mi (9,573.61 km) |
| Half Moon Bay to Cisterna di Latina | 6,289.18 mi (10,121.45 km) |
| Half Moon Bay to Cisternino | 6,467.53 mi (10,408.49 km) |
| Half Moon Bay to Citta di Castello | 6,165.56 mi (9,922.50 km) |
| Half Moon Bay to Citta Sant'Angelo | 6,270.50 mi (10,091.39 km) |
| Half Moon Bay to Cittadella | 6,028.09 mi (9,701.28 km) |
| Half Moon Bay to Cittanova | 6,570.75 mi (10,574.61 km) |
