| Gronau to Redon | 513.23 mi (825.97 km) |
| Gronau to Reims | 242.49 mi (390.25 km) |
| Gronau to Rennes | 478.18 mi (769.56 km) |
| Gronau to Revel | 648.00 mi (1,042.85 km) |
| Gronau to Reze | 517.46 mi (832.77 km) |
| Gronau to Riedisheim | 308.78 mi (496.94 km) |
| Gronau to Rillieux-la-Pape | 452.08 mi (727.56 km) |
| Gronau to Riom | 471.28 mi (758.45 km) |
| Gronau to Riorges | 447.26 mi (719.79 km) |
| Gronau to Ris-Orangis | 319.09 mi (513.53 km) |
| Gronau to Rive-de-Gier | 474.65 mi (763.88 km) |
| Gronau to Rivesaltes | 680.59 mi (1,095.30 km) |
| Gronau to Rixheim | 308.85 mi (497.04 km) |
| Gronau to Roanne | 447.28 mi (719.82 km) |
| Gronau to Roche-la-Moliere | 484.31 mi (779.42 km) |
