| Watford to Denizli | 1,718.27 mi (2,765.29 km) |
| Watford to Derecik | 2,380.00 mi (3,830.24 km) |
| Watford to Dereli | 1,975.90 mi (3,179.91 km) |
| Watford to Derik | 2,196.37 mi (3,534.72 km) |
| Watford to Derinkuyu | 1,920.15 mi (3,090.18 km) |
| Watford to Develi | 1,950.97 mi (3,139.78 km) |
| Watford to Dicle | 2,143.95 mi (3,450.36 km) |
| Watford to Digor | 2,202.85 mi (3,545.15 km) |
| Watford to Dikili | 1,569.93 mi (2,526.55 km) |
| Watford to Divrigi | 2,018.86 mi (3,249.05 km) |
| Watford to Diyadin | 2,248.22 mi (3,618.15 km) |
| Watford to Diyarbakir | 2,171.18 mi (3,494.18 km) |
| Watford to Doganhisar | 1,804.88 mi (2,904.68 km) |
| Watford to Dogansehir | 2,063.64 mi (3,321.10 km) |
| Watford to Dogubayazit | 2,265.28 mi (3,645.62 km) |
