| Redwood City to Chivasso | 5,934.32 mi (9,550.36 km) |
| Redwood City to Ciampino | 6,262.45 mi (10,078.44 km) |
| Redwood City to Cicciano | 6,365.86 mi (10,244.86 km) |
| Redwood City to Cingoli | 6,190.30 mi (9,962.33 km) |
| Redwood City to Cinisello Balsamo | 5,953.38 mi (9,581.04 km) |
| Redwood City to Cinisi | 6,485.15 mi (10,436.84 km) |
| Redwood City to Cirie | 5,923.38 mi (9,532.76 km) |
| Redwood City to Ciro Marina | 6,532.11 mi (10,512.42 km) |
| Redwood City to Cislago | 5,940.62 mi (9,560.50 km) |
| Redwood City to Cisterna di Latina | 6,281.03 mi (10,108.33 km) |
| Redwood City to Cisternino | 6,459.76 mi (10,395.98 km) |
| Redwood City to Citta di Castello | 6,157.51 mi (9,909.55 km) |
| Redwood City to Citta Sant'Angelo | 6,262.54 mi (10,078.58 km) |
| Redwood City to Cittadella | 6,020.20 mi (9,688.57 km) |
| Redwood City to Cittanova | 6,562.65 mi (10,561.57 km) |
