| Groesbeek to Opwijk | 94.23 mi (151.65 km) |
| Groesbeek to Ostend | 135.21 mi (217.60 km) |
| Groesbeek to Oud-Heverlee | 85.45 mi (137.51 km) |
| Groesbeek to Oud-Turnhout | 52.01 mi (83.70 km) |
| Groesbeek to Oudenaarde | 119.62 mi (192.51 km) |
| Groesbeek to Oudenburg | 132.83 mi (213.78 km) |
| Groesbeek to Oupeye | 75.33 mi (121.23 km) |
| Groesbeek to Overijse | 91.84 mi (147.79 km) |
| Groesbeek to Overpelt | 45.01 mi (72.44 km) |
| Groesbeek to Paal | 60.97 mi (98.12 km) |
| Groesbeek to Peer | 49.46 mi (79.60 km) |
| Groesbeek to Pepinster | 84.21 mi (135.52 km) |
| Groesbeek to Peruwelz | 134.27 mi (216.09 km) |
| Groesbeek to Perwez | 93.58 mi (150.61 km) |
| Groesbeek to Philippeville | 124.84 mi (200.91 km) |
