| Foster City to Chivasso | 5,932.45 mi (9,547.36 km) |
| Foster City to Ciampino | 6,260.53 mi (10,075.35 km) |
| Foster City to Cicciano | 6,363.89 mi (10,241.69 km) |
| Foster City to Cingoli | 6,188.30 mi (9,959.10 km) |
| Foster City to Cinisello Balsamo | 5,951.45 mi (9,577.93 km) |
| Foster City to Cinisi | 6,483.34 mi (10,433.93 km) |
| Foster City to Cirie | 5,921.52 mi (9,529.77 km) |
| Foster City to Ciro Marina | 6,530.09 mi (10,509.16 km) |
| Foster City to Cislago | 5,938.69 mi (9,557.40 km) |
| Foster City to Cisterna di Latina | 6,279.10 mi (10,105.24 km) |
| Foster City to Cisternino | 6,457.68 mi (10,392.63 km) |
| Foster City to Citta di Castello | 6,155.54 mi (9,906.39 km) |
| Foster City to Citta Sant'Angelo | 6,260.53 mi (10,075.35 km) |
| Foster City to Cittadella | 6,018.16 mi (9,685.30 km) |
| Foster City to Cittanova | 6,560.71 mi (10,558.44 km) |
