| Cities | Distance |
|---|---|
| Gronau to Opwijk | 149.87 mi (241.19 km) |
| Gronau to Ostend | 189.13 mi (304.38 km) |
| Gronau to Oud-Heverlee | 139.65 mi (224.74 km) |
| Gronau to Oud-Turnhout | 107.60 mi (173.16 km) |
| Gronau to Oudenaarde | 175.32 mi (282.15 km) |
| Gronau to Oudenburg | 187.09 mi (301.09 km) |
| Gronau to Oupeye | 120.10 mi (193.29 km) |
| Gronau to Overijse | 146.25 mi (235.36 km) |
| Gronau to Overpelt | 97.84 mi (157.45 km) |
| Gronau to Paal | 114.00 mi (183.47 km) |
| Gronau to Peer | 100.97 mi (162.49 km) |
| Gronau to Pepinster | 125.38 mi (201.77 km) |
| Gronau to Peruwelz | 189.67 mi (305.24 km) |
| Gronau to Perwez | 145.76 mi (234.58 km) |
| Gronau to Philippeville | 175.96 mi (283.18 km) |