| Gronau to Roding | 317.20 mi (510.49 km) |
| Gronau to Rodinghausen | 61.00 mi (98.18 km) |
| Gronau to Roetgen | 113.88 mi (183.28 km) |
| Gronau to Rommerskirchen | 82.75 mi (133.18 km) |
| Gronau to Ronnenberg | 110.77 mi (178.27 km) |
| Gronau to Rosbach vor der Hohe | 150.43 mi (242.10 km) |
| Gronau to Rosdorf | 131.52 mi (211.67 km) |
| Gronau to Rosenheim | 376.53 mi (605.96 km) |
| Gronau to Rosrath | 90.89 mi (146.27 km) |
| Gronau to Rossdorf | 178.88 mi (287.88 km) |
| Gronau to Rosstal | 256.63 mi (413.01 km) |
| Gronau to Rostock | 247.35 mi (398.07 km) |
| Gronau to Rotenburg an der Fulda | 142.64 mi (229.56 km) |
| Gronau to Roth | 270.79 mi (435.79 km) |
| Gronau to Rothenbach an der Pegnitz | 262.94 mi (423.17 km) |
