| Niederkassel to Dudley | 407.73 mi (656.18 km) |
| Niederkassel to Dukinfield | 427.49 mi (687.98 km) |
| Niederkassel to Dumbarton | 594.01 mi (955.96 km) |
| Niederkassel to Dumfries | 530.62 mi (853.95 km) |
| Niederkassel to Dunbar | 531.22 mi (854.91 km) |
| Niederkassel to Dunblane | 583.56 mi (939.15 km) |
| Niederkassel to Dundee | 564.72 mi (908.83 km) |
| Niederkassel to Dunfermline | 562.50 mi (905.25 km) |
| Niederkassel to Dunstable | 334.08 mi (537.65 km) |
| Niederkassel to Durham | 451.28 mi (726.26 km) |
| Niederkassel to Ealing | 321.19 mi (516.91 km) |
| Niederkassel to Earlestown | 448.70 mi (722.12 km) |
| Niederkassel to Earley | 347.89 mi (559.88 km) |
| Niederkassel to East Barnet | 316.41 mi (509.21 km) |
| Niederkassel to East Dereham | 290.61 mi (467.70 km) |
