| Petersburg to Collegno | 4,247.65 mi (6,835.93 km) |
| Petersburg to Cologno al Serio | 4,325.35 mi (6,960.97 km) |
| Petersburg to Cologno Monzese | 4,308.72 mi (6,934.22 km) |
| Petersburg to Colorno | 4,375.22 mi (7,041.23 km) |
| Petersburg to Comacchio | 4,460.88 mi (7,179.09 km) |
| Petersburg to Comiso | 4,839.34 mi (7,788.16 km) |
| Petersburg to Como | 4,291.84 mi (6,907.05 km) |
| Petersburg to Concordia Sagittaria | 4,454.81 mi (7,169.32 km) |
| Petersburg to Concorezzo | 4,309.36 mi (6,935.25 km) |
| Petersburg to Conegliano | 4,427.41 mi (7,125.22 km) |
| Petersburg to Conselice | 4,451.64 mi (7,164.23 km) |
| Petersburg to Conselve | 4,429.95 mi (7,129.31 km) |
| Petersburg to Conversano | 4,806.43 mi (7,735.20 km) |
| Petersburg to Copertino | 4,873.67 mi (7,843.42 km) |
| Petersburg to Copparo | 4,439.24 mi (7,144.27 km) |
