| Trieste to Collegno | 303.39 mi (488.26 km) |
| Trieste to Cologno al Serio | 196.74 mi (316.62 km) |
| Trieste to Cologno Monzese | 217.33 mi (349.75 km) |
| Trieste to Colorno | 171.91 mi (276.66 km) |
| Trieste to Comacchio | 101.42 mi (163.21 km) |
| Trieste to Comiso | 602.66 mi (969.89 km) |
| Trieste to Como | 226.16 mi (363.96 km) |
| Trieste to Concordia Sagittaria | 45.13 mi (72.62 km) |
| Trieste to Concorezzo | 214.31 mi (344.89 km) |
| Trieste to Conegliano | 72.84 mi (117.23 km) |
| Trieste to Conselice | 122.73 mi (197.52 km) |
| Trieste to Conselve | 96.67 mi (155.58 km) |
| Trieste to Conversano | 364.65 mi (586.84 km) |
| Trieste to Copertino | 430.19 mi (692.32 km) |
| Trieste to Copparo | 107.50 mi (173.00 km) |
