| Slidell to Cortona | 5,350.47 mi (8,610.74 km) |
| Slidell to Cosenza | 5,682.73 mi (9,145.47 km) |
| Slidell to Cossato | 5,109.19 mi (8,222.44 km) |
| Slidell to Costa Volpino | 5,183.27 mi (8,341.67 km) |
| Slidell to Creazzo | 5,251.72 mi (8,451.83 km) |
| Slidell to Crema | 5,180.70 mi (8,337.53 km) |
| Slidell to Cremona | 5,203.33 mi (8,373.96 km) |
| Slidell to Crevalcore | 5,265.07 mi (8,473.31 km) |
| Slidell to Crispiano | 5,676.90 mi (9,136.08 km) |
| Slidell to Crosia | 5,695.69 mi (9,166.32 km) |
| Slidell to Crotone | 5,729.72 mi (9,221.10 km) |
| Slidell to Cuneo | 5,119.60 mi (8,239.20 km) |
| Slidell to Cuorgne | 5,092.43 mi (8,195.47 km) |
| Slidell to Cusano Milanino | 5,153.36 mi (8,293.53 km) |
| Slidell to Cutro | 5,725.66 mi (9,214.55 km) |
