| Boortmeerbeek to Nowy Sacz | 716.56 mi (1,153.19 km) |
| Boortmeerbeek to Nowy Targ | 689.63 mi (1,109.85 km) |
| Boortmeerbeek to Nowy Tomysl | 503.77 mi (810.74 km) |
| Boortmeerbeek to Nysa | 558.81 mi (899.32 km) |
| Boortmeerbeek to Oborniki | 535.04 mi (861.06 km) |
| Boortmeerbeek to Oborniki Slaskie | 534.53 mi (860.24 km) |
| Boortmeerbeek to Olawa | 553.49 mi (890.75 km) |
| Boortmeerbeek to Olecko | 780.65 mi (1,256.34 km) |
| Boortmeerbeek to Olesnica | 555.68 mi (894.29 km) |
| Boortmeerbeek to Olesno | 602.30 mi (969.31 km) |
| Boortmeerbeek to Olkusz | 657.95 mi (1,058.87 km) |
| Boortmeerbeek to Olsztyn | 696.65 mi (1,121.15 km) |
| Boortmeerbeek to Opalenica | 515.49 mi (829.60 km) |
| Boortmeerbeek to Opoczno | 680.12 mi (1,094.55 km) |
| Boortmeerbeek to Opole | 583.00 mi (938.25 km) |
