| Formello to Cividale del Friuli | 282.22 mi (454.18 km) |
| Formello to Civita Castellana | 14.71 mi (23.68 km) |
| Formello to Civitanova Marche | 107.94 mi (173.71 km) |
| Formello to Civitavecchia | 30.78 mi (49.54 km) |
| Formello to Civitella in Val di Chiana | 98.44 mi (158.42 km) |
| Formello to Clusone | 289.39 mi (465.74 km) |
| Formello to Coccaglio | 269.02 mi (432.94 km) |
| Formello to Codigoro | 190.54 mi (306.64 km) |
| Formello to Codogno | 251.68 mi (405.04 km) |
| Formello to Codroipo | 269.56 mi (433.82 km) |
| Formello to Cogoleto | 247.12 mi (397.71 km) |
| Formello to Colle di Val d'Elsa | 111.39 mi (179.26 km) |
| Formello to Colle Salvetti | 142.86 mi (229.91 km) |
| Formello to Collecchio | 214.35 mi (344.96 km) |
| Formello to Colleferro | 39.88 mi (64.18 km) |
