| Valley to Cromer | 4,310.89 mi (6,937.70 km) |
| Valley to Crosby | 4,128.12 mi (6,643.57 km) |
| Valley to Crowborough | 4,306.71 mi (6,930.98 km) |
| Valley to Croxley Green | 4,269.04 mi (6,870.35 km) |
| Valley to Croydon | 4,288.70 mi (6,901.99 km) |
| Valley to Cudworth | 4,190.31 mi (6,743.65 km) |
| Valley to Culcheth | 4,149.08 mi (6,677.30 km) |
| Valley to Cullercoats | 4,161.66 mi (6,697.54 km) |
| Valley to Cumbernauld | 4,048.81 mi (6,515.93 km) |
| Valley to Cumnock | 4,046.45 mi (6,512.13 km) |
| Valley to Cupar | 4,079.55 mi (6,565.40 km) |
| Valley to Cwmbran | 4,163.51 mi (6,700.53 km) |
| Valley to Dagenham | 4,295.29 mi (6,912.61 km) |
| Valley to Dalkeith | 4,084.81 mi (6,573.87 km) |
| Valley to Darfield | 4,192.43 mi (6,747.07 km) |
