| Darby to Collegno | 4,044.51 mi (6,509.01 km) |
| Darby to Cologno al Serio | 4,120.35 mi (6,631.06 km) |
| Darby to Cologno Monzese | 4,104.02 mi (6,604.78 km) |
| Darby to Colorno | 4,170.79 mi (6,712.24 km) |
| Darby to Comacchio | 4,255.82 mi (6,849.07 km) |
| Darby to Comiso | 4,644.24 mi (7,474.18 km) |
| Darby to Como | 4,086.83 mi (6,577.12 km) |
| Darby to Concordia Sagittaria | 4,247.98 mi (6,836.46 km) |
| Darby to Concorezzo | 4,104.54 mi (6,605.62 km) |
| Darby to Conegliano | 4,220.69 mi (6,792.55 km) |
| Darby to Conselice | 4,247.03 mi (6,834.93 km) |
| Darby to Conselve | 4,224.32 mi (6,798.39 km) |
| Darby to Conversano | 4,603.52 mi (7,408.64 km) |
| Darby to Copertino | 4,671.09 mi (7,517.39 km) |
| Darby to Copparo | 4,234.09 mi (6,814.11 km) |
