| Sierning to Calafell | 783.30 mi (1,260.61 km) |
| Sierning to Calahorra | 884.23 mi (1,423.03 km) |
| Sierning to Calasparra | 1,050.52 mi (1,690.64 km) |
| Sierning to Calatayud | 906.86 mi (1,459.45 km) |
| Sierning to Caldas de Montbuy | 740.31 mi (1,191.41 km) |
| Sierning to Caldas de Reyes | 1,171.30 mi (1,885.03 km) |
| Sierning to Calella | 721.78 mi (1,161.59 km) |
| Sierning to Callosa de Segura | 1,024.99 mi (1,649.55 km) |
| Sierning to Calpe | 964.43 mi (1,552.10 km) |
| Sierning to Calvia | 828.69 mi (1,333.65 km) |
| Sierning to Camas | 1,261.29 mi (2,029.85 km) |
| Sierning to Cambados | 1,181.85 mi (1,902.00 km) |
| Sierning to Cambre | 1,137.03 mi (1,829.87 km) |
| Sierning to Cambrils | 809.46 mi (1,302.70 km) |
| Sierning to Campo de Criptana | 1,051.56 mi (1,692.33 km) |
