| Postojna to Collegno | 325.54 mi (523.91 km) |
| Postojna to Cologno al Serio | 218.27 mi (351.27 km) |
| Postojna to Cologno Monzese | 238.94 mi (384.53 km) |
| Postojna to Colorno | 194.85 mi (313.59 km) |
| Postojna to Comacchio | 123.62 mi (198.95 km) |
| Postojna to Comiso | 610.14 mi (981.92 km) |
| Postojna to Como | 246.99 mi (397.50 km) |
| Postojna to Concordia Sagittaria | 65.72 mi (105.77 km) |
| Postojna to Concorezzo | 235.77 mi (379.43 km) |
| Postojna to Conegliano | 92.57 mi (148.98 km) |
| Postojna to Conselice | 144.99 mi (233.34 km) |
| Postojna to Conselve | 119.67 mi (192.59 km) |
| Postojna to Conversano | 362.80 mi (583.87 km) |
| Postojna to Copertino | 427.01 mi (687.20 km) |
| Postojna to Copparo | 130.48 mi (209.99 km) |
