| Watford to Dillenburg | 380.92 mi (613.03 km) |
| Watford to Dillingen | 525.82 mi (846.22 km) |
| Watford to Dillingen | 351.24 mi (565.27 km) |
| Watford to Dingolfing | 606.98 mi (976.84 km) |
| Watford to Dinkelsbuhl | 504.32 mi (811.63 km) |
| Watford to Dinklage | 367.97 mi (592.18 km) |
| Watford to Dinslaken | 305.82 mi (492.17 km) |
| Watford to Dippoldiswalde | 609.16 mi (980.35 km) |
| Watford to Ditzingen | 461.10 mi (742.07 km) |
| Watford to Dobeln | 582.80 mi (937.92 km) |
| Watford to Doberlug-Kirchhain | 597.85 mi (962.14 km) |
| Watford to Donaueschingen | 471.62 mi (759.00 km) |
| Watford to Donauworth | 535.11 mi (861.18 km) |
| Watford to Donzdorf | 495.85 mi (797.99 km) |
| Watford to Dorfen | 603.79 mi (971.71 km) |
