| Hard to Castle Bromwich | 615.23 mi (990.11 km) |
| Hard to Castleford | 646.57 mi (1,040.55 km) |
| Hard to Castleton | 668.69 mi (1,076.15 km) |
| Hard to Caterham | 511.03 mi (822.42 km) |
| Hard to Catford | 513.99 mi (827.19 km) |
| Hard to Caversham | 551.21 mi (887.08 km) |
| Hard to Chaddesden | 618.10 mi (994.73 km) |
| Hard to Chalfont Saint Peter | 539.56 mi (868.34 km) |
| Hard to Chandlers Ford | 553.93 mi (891.47 km) |
| Hard to Chapel en le Frith | 649.56 mi (1,045.36 km) |
| Hard to Chapeltown | 639.77 mi (1,029.61 km) |
| Hard to Chard | 616.25 mi (991.76 km) |
| Hard to Charlton Kings | 605.05 mi (973.73 km) |
| Hard to Chatham | 491.08 mi (790.32 km) |
| Hard to Chatteris | 547.93 mi (881.81 km) |
