| Reading to Clacton-on-Sea | 93.83 mi (151.00 km) |
| Reading to Clay Cross | 119.57 mi (192.42 km) |
| Reading to Clayton | 164.65 mi (264.98 km) |
| Reading to Clayton le Moors | 170.92 mi (275.07 km) |
| Reading to Cleckheaton | 159.99 mi (257.48 km) |
| Reading to Cleethorpes | 150.45 mi (242.13 km) |
| Reading to Clevedon | 81.00 mi (130.36 km) |
| Reading to Clifton | 100.54 mi (161.81 km) |
| Reading to Clifton | 174.05 mi (280.10 km) |
| Reading to Cliftonville | 102.54 mi (165.03 km) |
| Reading to Clitheroe | 177.25 mi (285.25 km) |
| Reading to Clydebank | 337.57 mi (543.26 km) |
| Reading to Coalville | 89.33 mi (143.76 km) |
| Reading to Coatbridge | 329.17 mi (529.74 km) |
| Reading to Cobham | 25.81 mi (41.54 km) |
