| Slidell to Cadillac (Michigan) | 993.61 mi (1,599.07 km) |
| Slidell to Caguas (Puerto Rico) | 1,706.51 mi (2,746.35 km) |
| Slidell to Cahokia (Illinois) | 572.28 mi (921.00 km) |
| Slidell to Calabasas (California) | 1,703.63 mi (2,741.73 km) |
| Slidell to Caldwell (Idaho) | 1,735.29 mi (2,792.68 km) |
| Slidell to Caledonia (Wisconsin) | 870.74 mi (1,401.32 km) |
| Slidell to Calera (Alabama) | 265.12 mi (426.66 km) |
| Slidell to Calexico (California) | 1,520.22 mi (2,446.55 km) |
| Slidell to Calhoun (Georgia) | 405.08 mi (651.91 km) |
| Slidell to California (Maryland) | 937.24 mi (1,508.35 km) |
| Slidell to California City (California) | 1,661.22 mi (2,673.48 km) |
| Slidell to Callaway (Florida) | 252.54 mi (406.42 km) |
| Slidell to Calumet City (Illinois) | 792.28 mi (1,275.05 km) |
| Slidell to Calverton (Maryland) | 946.40 mi (1,523.08 km) |
| Slidell to Camano (Washington) | 2,116.69 mi (3,406.48 km) |
