| Siegburg to Busto Garolfo | 371.15 mi (597.30 km) |
| Siegburg to Cabras | 753.64 mi (1,212.87 km) |
| Siegburg to Cadelbosco di Sopra | 445.64 mi (717.19 km) |
| Siegburg to Cadoneghe | 429.07 mi (690.52 km) |
| Siegburg to Cagli | 562.15 mi (904.70 km) |
| Siegburg to Cagliari | 804.99 mi (1,295.51 km) |
| Siegburg to Cairo Montenotte | 445.04 mi (716.22 km) |
| Siegburg to Caivano | 760.61 mi (1,224.08 km) |
| Siegburg to Calcinaia | 517.06 mi (832.12 km) |
| Siegburg to Calcinato | 397.66 mi (639.98 km) |
| Siegburg to Calderara di Reno | 470.21 mi (756.74 km) |
| Siegburg to Caldogno | 409.94 mi (659.73 km) |
| Siegburg to Calenzano | 513.62 mi (826.59 km) |
| Siegburg to Calolziocorte | 360.38 mi (579.98 km) |
| Siegburg to Caltagirone | 1,003.85 mi (1,615.53 km) |
