| Watford to Reichenbach/Vogtland | 554.35 mi (892.14 km) |
| Watford to Reinbek | 464.36 mi (747.31 km) |
| Watford to Reinfeld | 478.71 mi (770.41 km) |
| Watford to Reinheim | 422.39 mi (679.78 km) |
| Watford to Reiskirchen | 406.49 mi (654.17 km) |
| Watford to Rellingen | 449.23 mi (722.97 km) |
| Watford to Remagen | 338.86 mi (545.34 km) |
| Watford to Remscheid | 328.75 mi (529.07 km) |
| Watford to Rendsburg | 456.25 mi (734.26 km) |
| Watford to Renningen | 457.86 mi (736.86 km) |
| Watford to Reutlingen | 478.81 mi (770.56 km) |
| Watford to Rhaude | 350.58 mi (564.20 km) |
| Watford to Rheda-Wiedenbruck | 371.98 mi (598.64 km) |
| Watford to Rhede | 303.71 mi (488.78 km) |
| Watford to Rheinau | 422.20 mi (679.47 km) |
