| Natchitoches to Cortona | 5,423.81 mi (8,728.77 km) |
| Natchitoches to Cosenza | 5,761.85 mi (9,272.80 km) |
| Natchitoches to Cossato | 5,180.24 mi (8,336.79 km) |
| Natchitoches to Costa Volpino | 5,250.96 mi (8,450.61 km) |
| Natchitoches to Creazzo | 5,318.55 mi (8,559.37 km) |
| Natchitoches to Crema | 5,250.46 mi (8,449.80 km) |
| Natchitoches to Cremona | 5,273.39 mi (8,486.70 km) |
| Natchitoches to Crevalcore | 5,334.98 mi (8,585.82 km) |
| Natchitoches to Crispiano | 5,750.58 mi (9,254.66 km) |
| Natchitoches to Crosia | 5,773.19 mi (9,291.05 km) |
| Natchitoches to Crotone | 5,808.10 mi (9,347.23 km) |
| Natchitoches to Cuneo | 5,195.34 mi (8,361.10 km) |
| Natchitoches to Cuorgne | 5,164.72 mi (8,311.82 km) |
| Natchitoches to Cusano Milanino | 5,223.17 mi (8,405.87 km) |
| Natchitoches to Cutro | 5,804.40 mi (9,341.27 km) |
