| Trieste to Cividale del Friuli | 35.05 mi (56.40 km) |
| Trieste to Civita Castellana | 241.41 mi (388.51 km) |
| Trieste to Civitanova Marche | 162.40 mi (261.36 km) |
| Trieste to Civitavecchia | 264.18 mi (425.16 km) |
| Trieste to Civitella in Val di Chiana | 184.50 mi (296.93 km) |
| Trieste to Clusone | 184.82 mi (297.43 km) |
| Trieste to Coccaglio | 183.37 mi (295.11 km) |
| Trieste to Codigoro | 98.27 mi (158.16 km) |
| Trieste to Codogno | 200.07 mi (321.98 km) |
| Trieste to Codroipo | 43.78 mi (70.46 km) |
| Trieste to Cogoleto | 264.93 mi (426.37 km) |
| Trieste to Colle di Val d'Elsa | 202.58 mi (326.02 km) |
| Trieste to Colle Salvetti | 214.90 mi (345.84 km) |
| Trieste to Collecchio | 183.83 mi (295.85 km) |
| Trieste to Colleferro | 273.24 mi (439.74 km) |
