| Belfast to Cividale del Friuli | 1,030.62 mi (1,658.63 km) |
| Belfast to Civita Castellana | 1,188.41 mi (1,912.55 km) |
| Belfast to Civitanova Marche | 1,178.16 mi (1,896.06 km) |
| Belfast to Civitavecchia | 1,180.15 mi (1,899.27 km) |
| Belfast to Civitella in Val di Chiana | 1,106.06 mi (1,780.03 km) |
| Belfast to Clusone | 920.84 mi (1,481.94 km) |
| Belfast to Coccaglio | 937.94 mi (1,509.46 km) |
| Belfast to Codigoro | 1,045.84 mi (1,683.12 km) |
| Belfast to Codogno | 949.85 mi (1,528.64 km) |
| Belfast to Codroipo | 1,020.85 mi (1,642.90 km) |
| Belfast to Cogoleto | 958.21 mi (1,542.08 km) |
| Belfast to Colle di Val d'Elsa | 1,088.46 mi (1,751.71 km) |
| Belfast to Colle Salvetti | 1,057.35 mi (1,701.64 km) |
| Belfast to Collecchio | 987.65 mi (1,589.47 km) |
| Belfast to Colleferro | 1,238.22 mi (1,992.72 km) |
