| Trebnje to Collegno | 364.59 mi (586.75 km) |
| Trebnje to Cologno al Serio | 256.90 mi (413.45 km) |
| Trebnje to Cologno Monzese | 277.62 mi (446.78 km) |
| Trebnje to Colorno | 234.20 mi (376.92 km) |
| Trebnje to Comacchio | 160.75 mi (258.70 km) |
| Trebnje to Comiso | 619.46 mi (996.93 km) |
| Trebnje to Como | 284.99 mi (458.65 km) |
| Trebnje to Concordia Sagittaria | 104.38 mi (167.98 km) |
| Trebnje to Concorezzo | 274.33 mi (441.50 km) |
| Trebnje to Conegliano | 130.37 mi (209.81 km) |
| Trebnje to Conselice | 182.08 mi (293.02 km) |
| Trebnje to Conselve | 158.99 mi (255.87 km) |
| Trebnje to Conversano | 357.54 mi (575.40 km) |
| Trebnje to Copertino | 418.97 mi (674.26 km) |
| Trebnje to Copparo | 169.10 mi (272.14 km) |
