| Neder-Over-Heembeek to Novi di Modena | 512.79 mi (825.26 km) |
| Neder-Over-Heembeek to Novi Ligure | 470.66 mi (757.45 km) |
| Neder-Over-Heembeek to Nuoro | 768.93 mi (1,237.48 km) |
| Neder-Over-Heembeek to Occhiobello | 530.28 mi (853.40 km) |
| Neder-Over-Heembeek to Oderzo | 513.08 mi (825.72 km) |
| Neder-Over-Heembeek to Oggiono | 420.51 mi (676.74 km) |
| Neder-Over-Heembeek to Olbia | 731.88 mi (1,177.84 km) |
| Neder-Over-Heembeek to Oleggio | 414.96 mi (667.81 km) |
| Neder-Over-Heembeek to Olgiate Comasco | 411.26 mi (661.86 km) |
| Neder-Over-Heembeek to Olgiate Olona | 418.45 mi (673.43 km) |
| Neder-Over-Heembeek to Omegna | 392.89 mi (632.30 km) |
| Neder-Over-Heembeek to Opera | 441.31 mi (710.21 km) |
| Neder-Over-Heembeek to Oppeano | 497.72 mi (801.00 km) |
| Neder-Over-Heembeek to Orbassano | 432.40 mi (695.89 km) |
| Neder-Over-Heembeek to Orbetello | 667.58 mi (1,074.36 km) |
