| Siegen to Campos del Puerto | 827.42 mi (1,331.61 km) |
| Siegen to Canals | 923.54 mi (1,486.29 km) |
| Siegen to Candelaria | 2,007.55 mi (3,230.84 km) |
| Siegen to Canet de Mar | 692.08 mi (1,113.80 km) |
| Siegen to Cangas | 991.77 mi (1,596.10 km) |
| Siegen to Cangas de Narcea | 865.65 mi (1,393.13 km) |
| Siegen to Canovellas | 695.85 mi (1,119.86 km) |
| Siegen to Canteras | 1,018.92 mi (1,639.80 km) |
| Siegen to Cantillana | 1,141.05 mi (1,836.33 km) |
| Siegen to Capdepera | 803.76 mi (1,293.53 km) |
| Siegen to Carballo | 944.58 mi (1,520.15 km) |
| Siegen to Carcagente | 910.40 mi (1,465.14 km) |
| Siegen to Cardedeu | 692.92 mi (1,115.15 km) |
| Siegen to Carlet | 905.42 mi (1,457.13 km) |
| Siegen to Carmona | 1,143.58 mi (1,840.42 km) |