| Belfast to Cassina de' Pecchi | 920.50 mi (1,481.40 km) |
| Belfast to Cassino | 1,276.86 mi (2,054.91 km) |
| Belfast to Castagneto Carducci | 1,084.57 mi (1,745.44 km) |
| Belfast to Castano Primo | 899.66 mi (1,447.86 km) |
| Belfast to Castel Bolognese | 1,061.58 mi (1,708.44 km) |
| Belfast to Castel Gandolfo | 1,226.03 mi (1,973.11 km) |
| Belfast to Castel Goffredo | 967.72 mi (1,557.40 km) |
| Belfast to Castel Maggiore | 1,034.46 mi (1,664.79 km) |
| Belfast to Castel Mella | 946.78 mi (1,523.70 km) |
| Belfast to Castel San Giorgio | 1,343.65 mi (2,162.39 km) |
| Belfast to Castel San Giovanni | 946.97 mi (1,524.00 km) |
| Belfast to Castel San Pietro Terme | 1,050.16 mi (1,690.07 km) |
| Belfast to Castel Volturno | 1,304.08 mi (2,098.72 km) |
| Belfast to Castelbuono | 1,486.03 mi (2,391.54 km) |
| Belfast to Casteldaccia | 1,462.64 mi (2,353.88 km) |
