| Niles to Clacton-on-Sea | 3,986.28 mi (6,415.29 km) |
| Niles to Clay Cross | 3,847.12 mi (6,191.33 km) |
| Niles to Clayton | 3,813.67 mi (6,137.50 km) |
| Niles to Clayton le Moors | 3,792.82 mi (6,103.96 km) |
| Niles to Cleckheaton | 3,818.85 mi (6,145.84 km) |
| Niles to Cleethorpes | 3,886.48 mi (6,254.68 km) |
| Niles to Clevedon | 3,845.22 mi (6,188.28 km) |
| Niles to Clifton | 3,863.85 mi (6,218.27 km) |
| Niles to Clifton | 3,834.24 mi (6,170.62 km) |
| Niles to Cliftonville | 4,009.42 mi (6,452.54 km) |
| Niles to Clitheroe | 3,789.72 mi (6,098.97 km) |
| Niles to Clydebank | 3,660.15 mi (5,890.45 km) |
| Niles to Coalville | 3,862.21 mi (6,215.63 km) |
| Niles to Coatbridge | 3,674.52 mi (5,913.58 km) |
| Niles to Cobham | 3,942.51 mi (6,344.86 km) |
