| Watertown to Ratingen | 3,677.94 mi (5,919.07 km) |
| Watertown to Ratzeburg | 3,747.57 mi (6,031.13 km) |
| Watertown to Raubling | 4,002.28 mi (6,441.05 km) |
| Watertown to Rauenberg | 3,816.31 mi (6,141.76 km) |
| Watertown to Raunheim | 3,781.31 mi (6,085.43 km) |
| Watertown to Ravensburg | 3,903.54 mi (6,282.14 km) |
| Watertown to Recke | 3,677.62 mi (5,918.56 km) |
| Watertown to Recklinghausen | 3,680.98 mi (5,923.97 km) |
| Watertown to Regen | 3,999.37 mi (6,436.36 km) |
| Watertown to Regensburg | 3,956.99 mi (6,368.15 km) |
| Watertown to Regenstauf | 3,954.90 mi (6,364.80 km) |
| Watertown to Rehau | 3,910.69 mi (6,293.65 km) |
| Watertown to Rehburg-Loccum | 3,730.90 mi (6,004.30 km) |
| Watertown to Rehlingen-Siersburg | 3,732.98 mi (6,007.65 km) |
| Watertown to Reichelsheim | 3,806.58 mi (6,126.09 km) |