| Watford to Rodgau | 420.09 mi (676.07 km) |
| Watford to Roding | 592.22 mi (953.08 km) |
| Watford to Rodinghausen | 380.03 mi (611.60 km) |
| Watford to Roetgen | 294.05 mi (473.23 km) |
| Watford to Rommerskirchen | 308.73 mi (496.85 km) |
| Watford to Ronnenberg | 429.79 mi (691.68 km) |
| Watford to Rosbach vor der Hohe | 406.37 mi (653.99 km) |
| Watford to Rosdorf | 441.84 mi (711.08 km) |
| Watford to Rosenheim | 616.94 mi (992.86 km) |
| Watford to Rosrath | 331.54 mi (533.57 km) |
| Watford to Rossdorf | 418.49 mi (673.49 km) |
| Watford to Rosstal | 518.71 mi (834.78 km) |
| Watford to Rostock | 547.96 mi (881.86 km) |
| Watford to Rotenburg an der Fulda | 439.10 mi (706.66 km) |
| Watford to Roth | 531.39 mi (855.19 km) |
