| Horsforth to Opwijk | 315.51 mi (507.76 km) |
| Horsforth to Ostend | 263.20 mi (423.57 km) |
| Horsforth to Oud-Heverlee | 337.48 mi (543.12 km) |
| Horsforth to Oud-Turnhout | 328.03 mi (527.91 km) |
| Horsforth to Oudenaarde | 302.46 mi (486.77 km) |
| Horsforth to Oudenburg | 267.74 mi (430.89 km) |
| Horsforth to Oupeye | 376.03 mi (605.17 km) |
| Horsforth to Overijse | 335.33 mi (539.67 km) |
| Horsforth to Overpelt | 347.39 mi (559.07 km) |
| Horsforth to Paal | 345.87 mi (556.62 km) |
| Horsforth to Peer | 351.99 mi (566.47 km) |
| Horsforth to Pepinster | 388.06 mi (624.52 km) |
| Horsforth to Peruwelz | 318.69 mi (512.87 km) |
| Horsforth to Perwez | 351.86 mi (566.26 km) |
| Horsforth to Philippeville | 363.75 mi (585.39 km) |
