| Slidell to Cibolo (Texas) | 507.08 mi (816.07 km) |
| Slidell to Cicero (Illinois) | 806.32 mi (1,297.64 km) |
| Slidell to Cimarron Hills (Colorado) | 1,032.61 mi (1,661.83 km) |
| Slidell to Cincinnati (Ohio) | 680.79 mi (1,095.63 km) |
| Slidell to Cinco Ranch (Texas) | 359.61 mi (578.74 km) |
| Slidell to Circleville (Ohio) | 751.04 mi (1,208.67 km) |
| Slidell to Citrus (California) | 1,659.01 mi (2,669.92 km) |
| Slidell to Citrus Heights (California) | 1,875.04 mi (3,017.58 km) |
| Slidell to Citrus Park (Florida) | 461.55 mi (742.79 km) |
| Slidell to Claiborne (Louisiana) | 210.78 mi (339.22 km) |
| Slidell to Claremont (California) | 1,649.09 mi (2,653.95 km) |
| Slidell to Claremont (New Hampshire) | 1,317.32 mi (2,120.02 km) |
| Slidell to Claremore (Oklahoma) | 535.07 mi (861.10 km) |
| Slidell to Clarksburg (Maryland) | 939.62 mi (1,512.18 km) |
| Slidell to Clarksburg (West Virginia) | 820.33 mi (1,320.19 km) |
