| Belfast to Collegno | 888.42 mi (1,429.77 km) |
| Belfast to Cologno al Serio | 927.84 mi (1,493.21 km) |
| Belfast to Cologno Monzese | 917.04 mi (1,475.84 km) |
| Belfast to Colorno | 983.47 mi (1,582.74 km) |
| Belfast to Comacchio | 1,054.79 mi (1,697.51 km) |
| Belfast to Comiso | 1,558.10 mi (2,507.51 km) |
| Belfast to Como | 896.34 mi (1,442.52 km) |
| Belfast to Concordia Sagittaria | 1,025.52 mi (1,650.41 km) |
| Belfast to Concorezzo | 915.74 mi (1,473.73 km) |
| Belfast to Conegliano | 1,000.49 mi (1,610.13 km) |
| Belfast to Conselice | 1,052.41 mi (1,693.69 km) |
| Belfast to Conselve | 1,017.44 mi (1,637.42 km) |
| Belfast to Conversano | 1,413.56 mi (2,274.90 km) |
| Belfast to Copertino | 1,482.10 mi (2,385.21 km) |
| Belfast to Copparo | 1,032.97 mi (1,662.40 km) |
