| Knightdale to Cermik | 5,972.19 mi (9,611.32 km) |
| Knightdale to Cesme | 5,420.85 mi (8,724.01 km) |
| Knightdale to Ceyhan | 5,879.04 mi (9,461.40 km) |
| Knightdale to Ceylanpinar | 6,057.96 mi (9,749.35 km) |
| Knightdale to Cicekdagi | 5,703.87 mi (9,179.49 km) |
| Knightdale to Cide | 5,545.35 mi (8,924.37 km) |
| Knightdale to Cifteler | 5,576.55 mi (8,974.59 km) |
| Knightdale to Ciftlik | 5,772.42 mi (9,289.81 km) |
| Knightdale to Ciftlikkoy | 5,450.54 mi (8,771.80 km) |
| Knightdale to Cihanbeyli | 5,686.51 mi (9,151.55 km) |
| Knightdale to Cildir | 5,963.83 mi (9,597.86 km) |
| Knightdale to Cilimli | 5,510.84 mi (8,868.84 km) |
| Knightdale to Cinar | 6,029.69 mi (9,703.85 km) |
| Knightdale to Cinarcik | 5,442.92 mi (8,759.53 km) |
| Knightdale to Cine | 5,526.84 mi (8,894.59 km) |
