| Gronau to Rochefort | 563.95 mi (907.58 km) |
| Gronau to Rodez | 580.45 mi (934.14 km) |
| Gronau to Rognac | 608.58 mi (979.41 km) |
| Gronau to Roissy-en-Brie | 305.04 mi (490.91 km) |
| Gronau to Romainville | 306.14 mi (492.68 km) |
| Gronau to Romans-sur-Isere | 503.35 mi (810.06 km) |
| Gronau to Rombas | 208.87 mi (336.15 km) |
| Gronau to Romilly-sur-Seine | 294.18 mi (473.44 km) |
| Gronau to Ronchin | 203.37 mi (327.30 km) |
| Gronau to Roncq | 196.51 mi (316.24 km) |
| Gronau to Roquebrune-sur-Argens | 606.18 mi (975.55 km) |
| Gronau to Roquevaire | 615.97 mi (991.31 km) |
| Gronau to Rosny-sous-Bois | 305.67 mi (491.93 km) |
| Gronau to Roubaix | 196.65 mi (316.48 km) |
| Gronau to Rouen | 322.51 mi (519.04 km) |
