| South San Francisco to Cernavoda | 6,478.57 mi (10,426.25 km) |
| South San Francisco to Chitila | 6,426.97 mi (10,343.21 km) |
| South San Francisco to Cisnadie | 6,313.65 mi (10,160.84 km) |
| South San Francisco to Cluj-Napoca | 6,236.33 mi (10,036.40 km) |
| South San Francisco to Codlea | 6,341.40 mi (10,205.50 km) |
| South San Francisco to Comanesti | 6,315.38 mi (10,163.63 km) |
| South San Francisco to Comarnic | 6,373.25 mi (10,256.75 km) |
| South San Francisco to Constanta | 6,500.99 mi (10,462.33 km) |
| South San Francisco to Corabia | 6,441.84 mi (10,367.15 km) |
| South San Francisco to Costesti | 6,393.99 mi (10,290.13 km) |
| South San Francisco to Covasna | 6,346.74 mi (10,214.09 km) |
| South San Francisco to Craiova | 6,392.17 mi (10,287.20 km) |
| South San Francisco to Cristuru Secuiesc | 6,295.87 mi (10,132.22 km) |
| South San Francisco to Cugir | 6,288.82 mi (10,120.88 km) |
| South San Francisco to Cumpana | 6,502.95 mi (10,465.49 km) |
