| Siegburg to Carovigno | 859.32 mi (1,382.95 km) |
| Siegburg to Carpenedolo | 403.96 mi (650.11 km) |
| Siegburg to Carpi | 449.37 mi (723.18 km) |
| Siegburg to Carrara | 483.67 mi (778.39 km) |
| Siegburg to Carugate | 375.82 mi (604.82 km) |
| Siegburg to Casal di Principe | 752.87 mi (1,211.62 km) |
| Siegburg to Casale Monferrato | 395.82 mi (637.01 km) |
| Siegburg to Casale sul Sile | 429.82 mi (691.72 km) |
| Siegburg to Casalecchio di Reno | 475.86 mi (765.82 km) |
| Siegburg to Casalgrande | 459.77 mi (739.93 km) |
| Siegburg to Casalmaggiore | 428.35 mi (689.37 km) |
| Siegburg to Casalnuovo di Napoli | 763.78 mi (1,229.18 km) |
| Siegburg to Casalpusterlengo | 404.61 mi (651.16 km) |
| Siegburg to Casaluce | 755.33 mi (1,215.59 km) |
| Siegburg to Casamassima | 824.05 mi (1,326.18 km) |
