| Siegburg to Castelli Calepio | 377.96 mi (608.27 km) |
| Siegburg to Castelnovo ne' Monti | 464.37 mi (747.33 km) |
| Siegburg to Castelnuovo Berardenga | 553.10 mi (890.13 km) |
| Siegburg to Castelnuovo di Porto | 649.35 mi (1,045.02 km) |
| Siegburg to Castelnuovo di Verona | 405.55 mi (652.67 km) |
| Siegburg to Castelnuovo Rangone | 465.31 mi (748.85 km) |
| Siegburg to Castelvetrano | 946.95 mi (1,523.97 km) |
| Siegburg to Castelvetro di Modena | 468.83 mi (754.52 km) |
| Siegburg to Castenaso | 477.71 mi (768.80 km) |
| Siegburg to Castenedolo | 394.88 mi (635.50 km) |
| Siegburg to Castiglion Fiorentino | 560.70 mi (902.37 km) |
| Siegburg to Castiglione del Lago | 576.28 mi (927.43 km) |
| Siegburg to Castiglione delle Stiviere | 402.89 mi (648.38 km) |
| Siegburg to Castrolibero | 905.33 mi (1,456.99 km) |
| Siegburg to Castrovillari | 874.37 mi (1,407.16 km) |
