| South San Francisco to Celano | 6,270.04 mi (10,090.65 km) |
| South San Francisco to Cento | 6,054.63 mi (9,743.99 km) |
| South San Francisco to Cepagatti | 6,268.10 mi (10,087.53 km) |
| South San Francisco to Ceprano | 6,299.82 mi (10,138.58 km) |
| South San Francisco to Cercola | 6,363.03 mi (10,240.31 km) |
| South San Francisco to Cerea | 6,026.34 mi (9,698.46 km) |
| South San Francisco to Cerese | 6,021.71 mi (9,691.01 km) |
| South San Francisco to Cerignola | 6,382.86 mi (10,272.22 km) |
| South San Francisco to Cermenate | 5,937.91 mi (9,556.14 km) |
| South San Francisco to Cernusco sul Naviglio | 5,955.27 mi (9,584.08 km) |
| South San Francisco to Cerreto Guidi | 6,097.91 mi (9,813.64 km) |
| South San Francisco to Cerro Maggiore | 5,939.63 mi (9,558.91 km) |
| South San Francisco to Certaldo | 6,114.82 mi (9,840.85 km) |
| South San Francisco to Cerveteri | 6,233.31 mi (10,031.54 km) |
| South San Francisco to Cervia | 6,111.63 mi (9,835.72 km) |
