| Slidell to Cividale del Friuli | 5,313.78 mi (8,551.71 km) |
| Slidell to Civita Castellana | 5,403.01 mi (8,695.31 km) |
| Slidell to Civitanova Marche | 5,425.22 mi (8,731.05 km) |
| Slidell to Civitavecchia | 5,382.87 mi (8,662.90 km) |
| Slidell to Civitella in Val di Chiana | 5,333.79 mi (8,583.90 km) |
| Slidell to Clusone | 5,175.22 mi (8,328.71 km) |
| Slidell to Coccaglio | 5,186.88 mi (8,347.48 km) |
| Slidell to Codigoro | 5,302.38 mi (8,533.36 km) |
| Slidell to Codogno | 5,188.37 mi (8,349.88 km) |
| Slidell to Codroipo | 5,299.74 mi (8,529.10 km) |
| Slidell to Cogoleto | 5,167.46 mi (8,316.22 km) |
| Slidell to Colle di Val d'Elsa | 5,308.90 mi (8,543.85 km) |
| Slidell to Colle Salvetti | 5,273.73 mi (8,487.24 km) |
| Slidell to Collecchio | 5,223.85 mi (8,406.98 km) |
| Slidell to Colleferro | 5,449.63 mi (8,770.33 km) |
