| Harrow on the Hill to Dormagen | 310.18 mi (499.19 km) |
| Harrow on the Hill to Dornstadt | 503.23 mi (809.87 km) |
| Harrow on the Hill to Dorsten | 313.01 mi (503.74 km) |
| Harrow on the Hill to Dortmund | 335.02 mi (539.16 km) |
| Harrow on the Hill to Dorverden | 414.30 mi (666.75 km) |
| Harrow on the Hill to Dossenheim | 421.50 mi (678.34 km) |
| Harrow on the Hill to Dreieich | 408.85 mi (657.98 km) |
| Harrow on the Hill to Drensteinfurt | 346.00 mi (556.83 km) |
| Harrow on the Hill to Dresden | 607.94 mi (978.38 km) |
| Harrow on the Hill to Drochtersen | 432.88 mi (696.65 km) |
| Harrow on the Hill to Drolshagen | 351.64 mi (565.91 km) |
| Harrow on the Hill to Duderstadt | 454.82 mi (731.97 km) |
| Harrow on the Hill to Duisburg | 305.19 mi (491.15 km) |
| Harrow on the Hill to Dulmen | 326.30 mi (525.13 km) |
| Harrow on the Hill to Duren | 299.79 mi (482.46 km) |
