| Grumo Nevano to Opwijk | 844.03 mi (1,358.34 km) |
| Grumo Nevano to Ostend | 893.09 mi (1,437.29 km) |
| Grumo Nevano to Oud-Heverlee | 823.77 mi (1,325.74 km) |
| Grumo Nevano to Oud-Turnhout | 842.50 mi (1,355.87 km) |
| Grumo Nevano to Oudenaarde | 854.08 mi (1,374.51 km) |
| Grumo Nevano to Oudenburg | 888.58 mi (1,430.03 km) |
| Grumo Nevano to Oupeye | 791.61 mi (1,273.98 km) |
| Grumo Nevano to Overijse | 824.62 mi (1,327.10 km) |
| Grumo Nevano to Overpelt | 826.16 mi (1,329.57 km) |
| Grumo Nevano to Paal | 822.11 mi (1,323.06 km) |
| Grumo Nevano to Peer | 820.46 mi (1,320.41 km) |
| Grumo Nevano to Pepinster | 779.24 mi (1,254.07 km) |
| Grumo Nevano to Peruwelz | 837.26 mi (1,347.44 km) |
| Grumo Nevano to Perwez | 808.37 mi (1,300.94 km) |
| Grumo Nevano to Philippeville | 792.84 mi (1,275.95 km) |
