| Slidell to Cadiz | 4,679.70 mi (7,531.25 km) |
| Slidell to Calafell | 4,941.92 mi (7,953.24 km) |
| Slidell to Calahorra | 4,744.48 mi (7,635.50 km) |
| Slidell to Calasparra | 4,866.89 mi (7,832.51 km) |
| Slidell to Calatayud | 4,785.35 mi (7,701.28 km) |
| Slidell to Caldas de Montbuy | 4,957.68 mi (7,978.61 km) |
| Slidell to Caldas de Reyes | 4,418.10 mi (7,110.25 km) |
| Slidell to Calella | 4,981.42 mi (8,016.83 km) |
| Slidell to Callosa de Segura | 4,910.65 mi (7,902.93 km) |
| Slidell to Calpe | 4,941.43 mi (7,952.46 km) |
| Slidell to Calvia | 5,034.27 mi (8,101.87 km) |
| Slidell to Camas | 4,670.88 mi (7,517.05 km) |
| Slidell to Cambados | 4,412.50 mi (7,101.24 km) |
| Slidell to Cambre | 4,418.11 mi (7,110.27 km) |
| Slidell to Cambrils | 4,921.40 mi (7,920.23 km) |
