| Slidell to Clemson (South Carolina) | 506.96 mi (815.88 km) |
| Slidell to Clermont (Florida) | 500.05 mi (804.76 km) |
| Slidell to Cleveland (Mississippi) | 245.08 mi (394.42 km) |
| Slidell to Cleveland (Ohio) | 895.24 mi (1,440.74 km) |
| Slidell to Cleveland (Tennessee) | 442.35 mi (711.89 km) |
| Slidell to Cleveland Heights (Ohio) | 900.56 mi (1,449.30 km) |
| Slidell to Cliffside Park (New Jersey) | 1,144.83 mi (1,842.42 km) |
| Slidell to Clifton (Colorado) | 1,219.09 mi (1,961.93 km) |
| Slidell to Clifton (New Jersey) | 1,139.15 mi (1,833.28 km) |
| Slidell to Clinton (Iowa) | 798.77 mi (1,285.49 km) |
| Slidell to Clinton (Maryland) | 935.96 mi (1,506.28 km) |
| Slidell to Clinton (Mississippi) | 146.44 mi (235.68 km) |
| Slidell to Clinton (Utah) | 1,451.21 mi (2,335.49 km) |
| Slidell to Clive (Iowa) | 813.87 mi (1,309.80 km) |
| Slidell to Cloquet (Minnesota) | 1,144.66 mi (1,842.16 km) |
