| Blackrock to Ciampino | 1,175.90 mi (1,892.44 km) |
| Blackrock to Cicciano | 1,285.31 mi (2,068.50 km) |
| Blackrock to Cingoli | 1,118.48 mi (1,800.02 km) |
| Blackrock to Cinisello Balsamo | 871.84 mi (1,403.09 km) |
| Blackrock to Cinisi | 1,390.21 mi (2,237.33 km) |
| Blackrock to Cirie | 831.98 mi (1,338.94 km) |
| Blackrock to Ciro Marina | 1,458.60 mi (2,347.39 km) |
| Blackrock to Cislago | 858.31 mi (1,381.32 km) |
| Blackrock to Cisterna di Latina | 1,194.54 mi (1,922.43 km) |
| Blackrock to Cisternino | 1,399.86 mi (2,252.85 km) |
| Blackrock to Citta di Castello | 1,079.38 mi (1,737.10 km) |
| Blackrock to Citta Sant'Angelo | 1,189.85 mi (1,914.88 km) |
| Blackrock to Cittadella | 960.05 mi (1,545.05 km) |
| Blackrock to Cittanova | 1,476.88 mi (2,376.81 km) |
| Blackrock to Cividale del Friuli | 1,003.01 mi (1,614.19 km) |
