| Redwood City to Cernavoda | 6,484.57 mi (10,435.91 km) |
| Redwood City to Chitila | 6,432.67 mi (10,352.38 km) |
| Redwood City to Cisnadie | 6,319.19 mi (10,169.76 km) |
| Redwood City to Cluj-Napoca | 6,241.89 mi (10,045.36 km) |
| Redwood City to Codlea | 6,347.14 mi (10,214.73 km) |
| Redwood City to Comanesti | 6,321.34 mi (10,173.22 km) |
| Redwood City to Comarnic | 6,378.97 mi (10,265.96 km) |
| Redwood City to Constanta | 6,507.07 mi (10,472.12 km) |
| Redwood City to Corabia | 6,447.23 mi (10,375.82 km) |
| Redwood City to Costesti | 6,399.53 mi (10,299.05 km) |
| Redwood City to Covasna | 6,352.60 mi (10,223.52 km) |
| Redwood City to Craiova | 6,397.51 mi (10,295.80 km) |
| Redwood City to Cristuru Secuiesc | 6,301.60 mi (10,141.45 km) |
| Redwood City to Cugir | 6,294.25 mi (10,129.62 km) |
| Redwood City to Cumpana | 6,509.01 mi (10,475.25 km) |
