| Grobenzell to Opwijk | 374.04 mi (601.96 km) |
| Grobenzell to Ostend | 431.06 mi (693.73 km) |
| Grobenzell to Oud-Heverlee | 351.13 mi (565.08 km) |
| Grobenzell to Oud-Turnhout | 356.93 mi (574.43 km) |
| Grobenzell to Oudenaarde | 393.25 mi (632.87 km) |
| Grobenzell to Oudenburg | 426.65 mi (686.62 km) |
| Grobenzell to Oupeye | 309.90 mi (498.73 km) |
| Grobenzell to Overijse | 354.64 mi (570.73 km) |
| Grobenzell to Overpelt | 337.64 mi (543.38 km) |
| Grobenzell to Paal | 339.45 mi (546.30 km) |
| Grobenzell to Peer | 332.97 mi (535.87 km) |
| Grobenzell to Pepinster | 298.30 mi (480.07 km) |
| Grobenzell to Peruwelz | 384.86 mi (619.37 km) |
| Grobenzell to Perwez | 338.64 mi (544.98 km) |
| Grobenzell to Philippeville | 337.19 mi (542.65 km) |
