| Sulphur to Cadiz | 4,864.68 mi (7,828.95 km) |
| Sulphur to Calafell | 5,112.24 mi (8,227.36 km) |
| Sulphur to Calahorra | 4,915.00 mi (7,909.93 km) |
| Sulphur to Calasparra | 5,045.64 mi (8,120.18 km) |
| Sulphur to Calatayud | 4,957.70 mi (7,978.64 km) |
| Sulphur to Caldas de Montbuy | 5,126.63 mi (8,250.51 km) |
| Sulphur to Caldas de Reyes | 4,592.17 mi (7,390.39 km) |
| Sulphur to Calella | 5,150.02 mi (8,288.16 km) |
| Sulphur to Callosa de Segura | 5,089.04 mi (8,190.01 km) |
| Sulphur to Calpe | 5,118.12 mi (8,236.82 km) |
| Sulphur to Calvia | 5,207.26 mi (8,380.28 km) |
| Sulphur to Camas | 4,854.08 mi (7,811.89 km) |
| Sulphur to Cambados | 4,586.90 mi (7,381.90 km) |
| Sulphur to Cambre | 4,590.47 mi (7,387.65 km) |
| Sulphur to Cambrils | 5,092.39 mi (8,195.42 km) |
