| Gaeta to Cividale del Friuli | 337.47 mi (543.10 km) |
| Gaeta to Civita Castellana | 95.48 mi (153.66 km) |
| Gaeta to Civitanova Marche | 144.19 mi (232.06 km) |
| Gaeta to Civitavecchia | 109.73 mi (176.60 km) |
| Gaeta to Civitella in Val di Chiana | 178.98 mi (288.04 km) |
| Gaeta to Clusone | 369.72 mi (595.00 km) |
| Gaeta to Coccaglio | 350.13 mi (563.48 km) |
| Gaeta to Codigoro | 260.38 mi (419.05 km) |
| Gaeta to Codogno | 334.69 mi (538.63 km) |
| Gaeta to Codroipo | 329.22 mi (529.82 km) |
| Gaeta to Cogoleto | 331.96 mi (534.25 km) |
| Gaeta to Colle di Val d'Elsa | 195.47 mi (314.58 km) |
| Gaeta to Colle Salvetti | 227.69 mi (366.44 km) |
| Gaeta to Collecchio | 297.04 mi (478.04 km) |
| Gaeta to Colleferro | 45.66 mi (73.48 km) |
