| Slidell to Cernavoda | 5,963.69 mi (9,597.63 km) |
| Slidell to Chitila | 5,877.97 mi (9,459.68 km) |
| Slidell to Cisnadie | 5,756.37 mi (9,263.99 km) |
| Slidell to Cluj-Napoca | 5,690.80 mi (9,158.45 km) |
| Slidell to Codlea | 5,806.34 mi (9,344.41 km) |
| Slidell to Comanesti | 5,812.51 mi (9,354.33 km) |
| Slidell to Comarnic | 5,832.72 mi (9,386.85 km) |
| Slidell to Constanta | 5,993.99 mi (9,646.39 km) |
| Slidell to Corabia | 5,851.79 mi (9,417.55 km) |
| Slidell to Costesti | 5,828.52 mi (9,380.10 km) |
| Slidell to Covasna | 5,827.76 mi (9,378.88 km) |
| Slidell to Craiova | 5,801.20 mi (9,336.13 km) |
| Slidell to Cristuru Secuiesc | 5,765.56 mi (9,278.77 km) |
| Slidell to Cugir | 5,720.67 mi (9,206.53 km) |
| Slidell to Cumpana | 5,993.48 mi (9,645.58 km) |
