| River Grove to Clacton-on-Sea | 3,992.20 mi (6,424.83 km) |
| River Grove to Clay Cross | 3,853.09 mi (6,200.95 km) |
| River Grove to Clayton | 3,819.68 mi (6,147.18 km) |
| River Grove to Clayton le Moors | 3,798.82 mi (6,113.62 km) |
| River Grove to Cleckheaton | 3,824.86 mi (6,155.52 km) |
| River Grove to Cleethorpes | 3,892.51 mi (6,264.39 km) |
| River Grove to Clevedon | 3,851.02 mi (6,197.61 km) |
| River Grove to Clifton | 3,869.81 mi (6,227.86 km) |
| River Grove to Clifton | 3,840.29 mi (6,180.34 km) |
| River Grove to Cliftonville | 4,015.32 mi (6,462.04 km) |
| River Grove to Clitheroe | 3,795.73 mi (6,108.64 km) |
| River Grove to Clydebank | 3,666.28 mi (5,900.31 km) |
| River Grove to Coalville | 3,868.15 mi (6,225.19 km) |
| River Grove to Coatbridge | 3,680.66 mi (5,923.45 km) |
| River Grove to Cobham | 3,948.36 mi (6,354.27 km) |
