| Niederhasli to Opwijk | 309.18 mi (497.58 km) |
| Niederhasli to Ostend | 359.90 mi (579.21 km) |
| Niederhasli to Oud-Heverlee | 288.70 mi (464.61 km) |
| Niederhasli to Oud-Turnhout | 308.14 mi (495.90 km) |
| Niederhasli to Oudenaarde | 320.60 mi (515.96 km) |
| Niederhasli to Oudenburg | 355.35 mi (571.89 km) |
| Niederhasli to Oupeye | 257.30 mi (414.09 km) |
| Niederhasli to Overijse | 289.66 mi (466.17 km) |
| Niederhasli to Overpelt | 292.62 mi (470.93 km) |
| Niederhasli to Paal | 287.54 mi (462.76 km) |
| Niederhasli to Peer | 286.79 mi (461.55 km) |
| Niederhasli to Pepinster | 245.00 mi (394.30 km) |
| Niederhasli to Peruwelz | 305.41 mi (491.51 km) |
| Niederhasli to Perwez | 273.35 mi (439.91 km) |
| Niederhasli to Philippeville | 259.35 mi (417.38 km) |
