| Difficult Run to Chesterfield | 3,589.14 mi (5,776.16 km) |
| Difficult Run to Chichester | 3,665.62 mi (5,899.25 km) |
| Difficult Run to Chigwell | 3,683.10 mi (5,927.38 km) |
| Difficult Run to Childwall | 3,528.44 mi (5,678.47 km) |
| Difficult Run to Chilwell | 3,603.15 mi (5,798.71 km) |
| Difficult Run to Chingford | 3,680.52 mi (5,923.23 km) |
| Difficult Run to Chippenham | 3,597.20 mi (5,789.14 km) |
| Difficult Run to Chislehurst | 3,687.89 mi (5,935.09 km) |
| Difficult Run to Choppington | 3,546.57 mi (5,707.65 km) |
| Difficult Run to Chorley | 3,533.55 mi (5,686.71 km) |
| Difficult Run to Chorleywood | 3,658.82 mi (5,888.30 km) |
| Difficult Run to Christchurch | 3,626.48 mi (5,836.25 km) |
| Difficult Run to Churchdown | 3,586.37 mi (5,771.70 km) |
| Difficult Run to Cinderford | 3,574.10 mi (5,751.96 km) |
| Difficult Run to Cirencester | 3,597.90 mi (5,790.26 km) |
