| Knightdale to Clacton-on-Sea | 3,914.16 mi (6,299.23 km) |
| Knightdale to Clay Cross | 3,784.66 mi (6,090.82 km) |
| Knightdale to Clayton | 3,758.19 mi (6,048.22 km) |
| Knightdale to Clayton le Moors | 3,735.67 mi (6,011.98 km) |
| Knightdale to Cleckheaton | 3,762.88 mi (6,055.78 km) |
| Knightdale to Cleethorpes | 3,833.16 mi (6,168.87 km) |
| Knightdale to Clevedon | 3,755.94 mi (6,044.61 km) |
| Knightdale to Clifton | 3,798.70 mi (6,113.41 km) |
| Knightdale to Clifton | 3,783.28 mi (6,088.59 km) |
| Knightdale to Cliftonville | 3,933.11 mi (6,329.73 km) |
| Knightdale to Clitheroe | 3,733.83 mi (6,009.01 km) |
| Knightdale to Clydebank | 3,626.74 mi (5,836.68 km) |
| Knightdale to Coalville | 3,794.15 mi (6,106.09 km) |
| Knightdale to Coatbridge | 3,641.46 mi (5,860.37 km) |
| Knightdale to Cobham | 3,859.50 mi (6,211.27 km) |
