| Silistra to Cassino | 703.32 mi (1,131.89 km) |
| Silistra to Castagneto Carducci | 834.19 mi (1,342.50 km) |
| Silistra to Castano Primo | 909.51 mi (1,463.72 km) |
| Silistra to Castel Bolognese | 764.59 mi (1,230.49 km) |
| Silistra to Castel Gandolfo | 755.85 mi (1,216.43 km) |
| Silistra to Castel Goffredo | 826.77 mi (1,330.56 km) |
| Silistra to Castel Maggiore | 784.76 mi (1,262.95 km) |
| Silistra to Castel Mella | 842.55 mi (1,355.95 km) |
| Silistra to Castel San Giorgio | 679.68 mi (1,093.84 km) |
| Silistra to Castel San Giovanni | 877.86 mi (1,412.78 km) |
| Silistra to Castel San Pietro Terme | 774.84 mi (1,246.99 km) |
| Silistra to Castel Volturno | 710.21 mi (1,142.97 km) |
| Silistra to Castelbuono | 806.70 mi (1,298.26 km) |
| Silistra to Casteldaccia | 827.16 mi (1,331.19 km) |
| Silistra to Castelfidardo | 684.72 mi (1,101.95 km) |
