| Castle Rock to Cromer | 4,690.02 mi (7,547.85 km) |
| Castle Rock to Crosby | 4,521.29 mi (7,276.32 km) |
| Castle Rock to Crowborough | 4,728.24 mi (7,609.37 km) |
| Castle Rock to Croxley Green | 4,683.19 mi (7,536.86 km) |
| Castle Rock to Croydon | 4,706.00 mi (7,573.58 km) |
| Castle Rock to Cudworth | 4,572.74 mi (7,359.11 km) |
| Castle Rock to Culcheth | 4,540.16 mi (7,306.68 km) |
| Castle Rock to Cullercoats | 4,515.27 mi (7,266.63 km) |
| Castle Rock to Cumbernauld | 4,396.89 mi (7,076.11 km) |
| Castle Rock to Cumnock | 4,406.06 mi (7,090.86 km) |
| Castle Rock to Cupar | 4,415.04 mi (7,105.32 km) |
| Castle Rock to Cwmbran | 4,592.72 mi (7,391.27 km) |
| Castle Rock to Dagenham | 4,707.90 mi (7,576.63 km) |
| Castle Rock to Dalkeith | 4,429.30 mi (7,128.26 km) |
| Castle Rock to Darfield | 4,575.47 mi (7,363.50 km) |
