| San Francisco to Cividale del Friuli | 6,029.72 mi (9,703.89 km) |
| San Francisco to Civita Castellana | 6,220.06 mi (10,010.22 km) |
| San Francisco to Civitanova Marche | 6,199.48 mi (9,977.11 km) |
| San Francisco to Civitavecchia | 6,213.66 mi (9,999.93 km) |
| San Francisco to Civitella in Val di Chiana | 6,136.32 mi (9,875.45 km) |
| San Francisco to Clusone | 5,947.01 mi (9,570.78 km) |
| San Francisco to Coccaglio | 5,965.74 mi (9,600.93 km) |
| San Francisco to Codigoro | 6,066.82 mi (9,763.60 km) |
| San Francisco to Codogno | 5,980.54 mi (9,624.75 km) |
| San Francisco to Codroipo | 6,025.58 mi (9,697.23 km) |
| San Francisco to Cogoleto | 5,992.70 mi (9,644.32 km) |
| San Francisco to Colle di Val d'Elsa | 6,120.57 mi (9,850.11 km) |
| San Francisco to Colle Salvetti | 6,090.51 mi (9,801.73 km) |
| San Francisco to Collecchio | 6,018.15 mi (9,685.28 km) |
| San Francisco to Colleferro | 6,269.71 mi (10,090.12 km) |
