| Geldermalsen to Opwijk | 79.10 mi (127.29 km) |
| Geldermalsen to Ostend | 111.24 mi (179.03 km) |
| Geldermalsen to Oud-Heverlee | 77.27 mi (124.36 km) |
| Geldermalsen to Oud-Turnhout | 41.21 mi (66.32 km) |
| Geldermalsen to Oudenaarde | 101.83 mi (163.87 km) |
| Geldermalsen to Oudenburg | 109.40 mi (176.06 km) |
| Geldermalsen to Oupeye | 82.66 mi (133.03 km) |
| Geldermalsen to Overijse | 82.61 mi (132.95 km) |
| Geldermalsen to Overpelt | 46.41 mi (74.69 km) |
| Geldermalsen to Paal | 58.52 mi (94.17 km) |
| Geldermalsen to Peer | 52.37 mi (84.28 km) |
| Geldermalsen to Pepinster | 93.85 mi (151.04 km) |
| Geldermalsen to Peruwelz | 119.71 mi (192.66 km) |
| Geldermalsen to Perwez | 89.33 mi (143.76 km) |
| Geldermalsen to Philippeville | 120.59 mi (194.07 km) |
