| Redwood City to Castrovillari | 6,479.94 mi (10,428.45 km) |
| Redwood City to Catania | 6,583.32 mi (10,594.83 km) |
| Redwood City to Catanzaro | 6,545.05 mi (10,533.24 km) |
| Redwood City to Cattolica | 6,142.42 mi (9,885.27 km) |
| Redwood City to Cava de' Tirreni | 6,386.07 mi (10,277.38 km) |
| Redwood City to Cavallino | 6,505.07 mi (10,468.90 km) |
| Redwood City to Cavarzere | 6,057.58 mi (9,748.73 km) |
| Redwood City to Cave | 6,271.13 mi (10,092.40 km) |
| Redwood City to Cavriago | 6,038.65 mi (9,718.27 km) |
| Redwood City to Cavriglia | 6,132.61 mi (9,869.48 km) |
| Redwood City to Cazzago San Martino | 5,974.79 mi (9,615.50 km) |
| Redwood City to Ceccano | 6,296.97 mi (10,134.00 km) |
| Redwood City to Cecina | 6,115.83 mi (9,842.48 km) |
| Redwood City to Cefalu | 6,520.46 mi (10,493.67 km) |
| Redwood City to Ceglie Messapico | 6,466.49 mi (10,406.82 km) |
