| Ronciglione to Crosby | 1,043.42 mi (1,679.22 km) |
| Ronciglione to Crowborough | 830.90 mi (1,337.20 km) |
| Ronciglione to Croxley Green | 877.50 mi (1,412.21 km) |
| Ronciglione to Croydon | 854.08 mi (1,374.51 km) |
| Ronciglione to Cudworth | 999.70 mi (1,608.86 km) |
| Ronciglione to Culcheth | 1,026.16 mi (1,651.44 km) |
| Ronciglione to Cullercoats | 1,074.41 mi (1,729.09 km) |
| Ronciglione to Cumbernauld | 1,188.57 mi (1,912.81 km) |
| Ronciglione to Cumnock | 1,172.03 mi (1,886.19 km) |
| Ronciglione to Cupar | 1,181.82 mi (1,901.96 km) |
| Ronciglione to Cwmbran | 963.23 mi (1,550.16 km) |
| Ronciglione to Dagenham | 854.04 mi (1,374.44 km) |
| Ronciglione to Dalkeith | 1,161.23 mi (1,868.83 km) |
| Ronciglione to Darfield | 996.73 mi (1,604.09 km) |
| Ronciglione to Darlaston | 970.69 mi (1,562.17 km) |
