| Sierning to Campos del Puerto | 818.04 mi (1,316.50 km) |
| Sierning to Canals | 972.27 mi (1,564.72 km) |
| Sierning to Candelaria | 2,126.42 mi (3,422.13 km) |
| Sierning to Canet de Mar | 726.10 mi (1,168.55 km) |
| Sierning to Cangas | 1,188.47 mi (1,912.66 km) |
| Sierning to Cangas de Narcea | 1,058.60 mi (1,703.65 km) |
| Sierning to Canovellas | 736.55 mi (1,185.37 km) |
| Sierning to Canteras | 1,056.98 mi (1,701.05 km) |
| Sierning to Cantillana | 1,243.32 mi (2,000.93 km) |
| Sierning to Capdepera | 789.64 mi (1,270.81 km) |
| Sierning to Carballo | 1,154.96 mi (1,858.73 km) |
| Sierning to Carcagente | 959.24 mi (1,543.75 km) |
| Sierning to Cardedeu | 732.48 mi (1,178.81 km) |
| Sierning to Carlet | 956.94 mi (1,540.05 km) |
| Sierning to Carmona | 1,242.04 mi (1,998.88 km) |
