| Natchitoches to Collegno | 5,172.25 mi (8,323.93 km) |
| Natchitoches to Cologno al Serio | 5,243.39 mi (8,438.42 km) |
| Natchitoches to Cologno Monzese | 5,227.87 mi (8,413.44 km) |
| Natchitoches to Colorno | 5,295.19 mi (8,521.78 km) |
| Natchitoches to Comacchio | 5,378.34 mi (8,655.60 km) |
| Natchitoches to Comiso | 5,783.93 mi (9,308.34 km) |
| Natchitoches to Como | 5,209.92 mi (8,384.55 km) |
| Natchitoches to Concordia Sagittaria | 5,365.34 mi (8,634.68 km) |
| Natchitoches to Concorezzo | 5,228.09 mi (8,413.79 km) |
| Natchitoches to Conegliano | 5,338.50 mi (8,591.49 km) |
| Natchitoches to Conselice | 5,370.74 mi (8,643.38 km) |
| Natchitoches to Conselve | 5,345.37 mi (8,602.55 km) |
| Natchitoches to Conversano | 5,730.60 mi (9,222.50 km) |
| Natchitoches to Copertino | 5,798.76 mi (9,332.20 km) |
| Natchitoches to Copparo | 5,356.43 mi (8,620.34 km) |
