| Watford to Dobrova | 774.54 mi (1,246.50 km) |
| Watford to Dobrovnik | 829.37 mi (1,334.74 km) |
| Watford to Dobrovo | 742.44 mi (1,194.84 km) |
| Watford to Dol | 782.09 mi (1,258.65 km) |
| Watford to Dolenjske Toplice | 811.73 mi (1,306.36 km) |
| Watford to Domzale | 778.21 mi (1,252.41 km) |
| Watford to Dornava | 821.15 mi (1,321.52 km) |
| Watford to Dragomer | 774.65 mi (1,246.68 km) |
| Watford to Dravograd | 778.02 mi (1,252.10 km) |
| Watford to Gorenja Vas | 761.88 mi (1,226.12 km) |
| Watford to Gorisnica | 824.40 mi (1,326.74 km) |
| Watford to Gornja Radgona | 814.07 mi (1,310.12 km) |
| Watford to Gornji Grad | 780.41 mi (1,255.95 km) |
| Watford to Gornji Petrovci | 818.65 mi (1,317.50 km) |
| Watford to Grad | 814.06 mi (1,310.10 km) |
