| Ronciglione to Darlington | 1,051.32 mi (1,691.94 km) |
| Ronciglione to Dartford | 846.86 mi (1,362.89 km) |
| Ronciglione to Darton | 1,003.40 mi (1,614.81 km) |
| Ronciglione to Darwen | 1,035.98 mi (1,667.26 km) |
| Ronciglione to Daventry | 928.56 mi (1,494.37 km) |
| Ronciglione to Davyhulme | 1,021.73 mi (1,644.32 km) |
| Ronciglione to Dawlish | 937.92 mi (1,509.44 km) |
| Ronciglione to Deal | 800.16 mi (1,287.74 km) |
| Ronciglione to Denby Dale | 1,006.29 mi (1,619.47 km) |
| Ronciglione to Denton | 1,014.06 mi (1,631.97 km) |
| Ronciglione to Derby | 969.55 mi (1,560.35 km) |
| Ronciglione to Derry | 1,243.85 mi (2,001.78 km) |
| Ronciglione to Desborough | 926.56 mi (1,491.16 km) |
| Ronciglione to Devizes | 915.51 mi (1,473.37 km) |
| Ronciglione to Dewsbury | 1,011.51 mi (1,627.86 km) |
