| Petersburg to Cividale del Friuli | 4,468.67 mi (7,191.62 km) |
| Petersburg to Civita Castellana | 4,550.54 mi (7,323.38 km) |
| Petersburg to Civitanova Marche | 4,575.00 mi (7,362.75 km) |
| Petersburg to Civitavecchia | 4,529.84 mi (7,290.08 km) |
| Petersburg to Civitella in Val di Chiana | 4,482.46 mi (7,213.81 km) |
| Petersburg to Clusone | 4,326.94 mi (6,963.54 km) |
| Petersburg to Coccaglio | 4,338.01 mi (6,981.36 km) |
| Petersburg to Codigoro | 4,453.66 mi (7,167.47 km) |
| Petersburg to Codogno | 4,338.60 mi (6,982.30 km) |
| Petersburg to Codroipo | 4,453.93 mi (7,167.92 km) |
| Petersburg to Cogoleto | 4,315.82 mi (6,945.65 km) |
| Petersburg to Colle di Val d'Elsa | 4,457.21 mi (7,173.18 km) |
| Petersburg to Colle Salvetti | 4,421.95 mi (7,116.44 km) |
| Petersburg to Collecchio | 4,373.70 mi (7,038.80 km) |
| Petersburg to Colleferro | 4,596.78 mi (7,397.81 km) |
