| Merthyr Tudful to Chesterfield | 131.79 mi (212.10 km) |
| Merthyr Tudful to Chichester | 128.57 mi (206.91 km) |
| Merthyr Tudful to Chigwell | 148.03 mi (238.23 km) |
| Merthyr Tudful to Childwall | 116.03 mi (186.74 km) |
| Merthyr Tudful to Chilwell | 121.47 mi (195.48 km) |
| Merthyr Tudful to Chingford | 145.32 mi (233.87 km) |
| Merthyr Tudful to Chippenham | 57.60 mi (92.71 km) |
| Merthyr Tudful to Chislehurst | 150.01 mi (241.41 km) |
| Merthyr Tudful to Choppington | 246.15 mi (396.14 km) |
| Merthyr Tudful to Chorley | 135.61 mi (218.25 km) |
| Merthyr Tudful to Chorleywood | 122.98 mi (197.92 km) |
| Merthyr Tudful to Christchurch | 98.37 mi (158.31 km) |
| Merthyr Tudful to Churchdown | 52.46 mi (84.43 km) |
| Merthyr Tudful to Cinderford | 37.98 mi (61.12 km) |
| Merthyr Tudful to Cirencester | 60.36 mi (97.14 km) |
