| Blackrock to Cosenza | 1,431.73 mi (2,304.15 km) |
| Blackrock to Cossato | 834.61 mi (1,343.17 km) |
| Blackrock to Costa Volpino | 890.25 mi (1,432.71 km) |
| Blackrock to Creazzo | 954.18 mi (1,535.60 km) |
| Blackrock to Crema | 896.97 mi (1,443.53 km) |
| Blackrock to Cremona | 920.42 mi (1,481.27 km) |
| Blackrock to Crevalcore | 979.86 mi (1,576.93 km) |
| Blackrock to Crispiano | 1,399.32 mi (2,251.99 km) |
| Blackrock to Crosia | 1,435.67 mi (2,310.49 km) |
| Blackrock to Crotone | 1,473.18 mi (2,370.86 km) |
| Blackrock to Cuneo | 874.31 mi (1,407.07 km) |
| Blackrock to Cuorgne | 825.86 mi (1,329.10 km) |
| Blackrock to Cusano Milanino | 870.66 mi (1,401.20 km) |
| Blackrock to Cutro | 1,471.17 mi (2,367.62 km) |
| Blackrock to Cutrofiano | 1,458.52 mi (2,347.26 km) |
