| Boortmeerbeek to Novi di Modena | 512.43 mi (824.68 km) |
| Boortmeerbeek to Novi Ligure | 472.21 mi (759.96 km) |
| Boortmeerbeek to Nuoro | 771.69 mi (1,241.92 km) |
| Boortmeerbeek to Occhiobello | 529.38 mi (851.95 km) |
| Boortmeerbeek to Oderzo | 510.83 mi (822.10 km) |
| Boortmeerbeek to Oggiono | 420.82 mi (677.24 km) |
| Boortmeerbeek to Olbia | 734.38 mi (1,181.86 km) |
| Boortmeerbeek to Oleggio | 416.13 mi (669.70 km) |
| Boortmeerbeek to Olgiate Comasco | 411.95 mi (662.98 km) |
| Boortmeerbeek to Olgiate Olona | 419.34 mi (674.86 km) |
| Boortmeerbeek to Omegna | 394.10 mi (634.24 km) |
| Boortmeerbeek to Opera | 442.05 mi (711.41 km) |
| Boortmeerbeek to Oppeano | 496.83 mi (799.57 km) |
| Boortmeerbeek to Orbassano | 435.05 mi (700.14 km) |
| Boortmeerbeek to Orbetello | 668.39 mi (1,075.68 km) |
