| Gronau to Rothenburg ob der Tauber | 238.77 mi (384.26 km) |
| Gronau to Rottweil | 288.06 mi (463.59 km) |
| Gronau to Rudersberg | 254.43 mi (409.47 km) |
| Gronau to Rudesheim am Rhein | 158.78 mi (255.52 km) |
| Gronau to Rudolstadt | 211.40 mi (340.22 km) |
| Gronau to Runkel | 133.80 mi (215.33 km) |
| Gronau to Ruppichteroth | 96.37 mi (155.10 km) |
| Gronau to Russelsheim | 164.33 mi (264.47 km) |
| Gronau to Rutesheim | 249.52 mi (401.56 km) |
| Gronau to Ruthen | 79.08 mi (127.27 km) |
| Gronau to Saalfeld | 215.27 mi (346.45 km) |
| Gronau to Saarbrucken | 205.85 mi (331.28 km) |
| Gronau to Saarlouis | 200.49 mi (322.65 km) |
| Gronau to Saarwellingen | 197.76 mi (318.26 km) |
| Gronau to Salzgitter | 139.51 mi (224.51 km) |
