| Harrow on the Hill to Mouscron | 164.21 mi (264.27 km) |
| Harrow on the Hill to Namur | 238.35 mi (383.59 km) |
| Harrow on the Hill to Neder-Over-Heembeek | 209.11 mi (336.52 km) |
| Harrow on the Hill to Neerpelt | 249.54 mi (401.60 km) |
| Harrow on the Hill to Nevele | 171.70 mi (276.32 km) |
| Harrow on the Hill to Niel | 203.73 mi (327.87 km) |
| Harrow on the Hill to Nieuwpoort | 136.61 mi (219.85 km) |
| Harrow on the Hill to Nijlen | 216.66 mi (348.68 km) |
| Harrow on the Hill to Ninove | 194.95 mi (313.74 km) |
| Harrow on the Hill to Nivelles | 212.90 mi (342.63 km) |
| Harrow on the Hill to Olen | 225.40 mi (362.74 km) |
| Harrow on the Hill to Oostakker | 179.84 mi (289.43 km) |
| Harrow on the Hill to Oosterzele | 183.66 mi (295.57 km) |
| Harrow on the Hill to Oostkamp | 156.52 mi (251.89 km) |
| Harrow on the Hill to Opglabbeek | 257.93 mi (415.09 km) |
