| Gronau to Rheinberg | 49.70 mi (79.99 km) |
| Gronau to Rheine | 17.27 mi (27.80 km) |
| Gronau to Rheinfelden (Baden) | 323.11 mi (519.99 km) |
| Gronau to Ribnitz-Damgarten | 264.77 mi (426.10 km) |
| Gronau to Richterich | 105.74 mi (170.18 km) |
| Gronau to Riedlingen | 300.21 mi (483.14 km) |
| Gronau to Riegelsberg | 201.69 mi (324.58 km) |
| Gronau to Rielasingen-Worblingen | 319.51 mi (514.21 km) |
| Gronau to Riesa | 274.49 mi (441.75 km) |
| Gronau to Rietberg | 65.69 mi (105.72 km) |
| Gronau to Rinteln | 86.38 mi (139.02 km) |
| Gronau to Ritterhude | 98.43 mi (158.41 km) |
| Gronau to Rodenbach | 166.56 mi (268.06 km) |
| Gronau to Rodental | 219.20 mi (352.76 km) |
| Gronau to Rodgau | 171.44 mi (275.91 km) |
