| Cities | Distance |
|---|---|
| Horndean to Opwijk | 225.48 mi (362.88 km) |
| Horndean to Ostend | 171.34 mi (275.74 km) |
| Horndean to Oud-Heverlee | 246.90 mi (397.35 km) |
| Horndean to Oud-Turnhout | 260.77 mi (419.66 km) |
| Horndean to Oudenaarde | 200.37 mi (322.47 km) |
| Horndean to Oudenburg | 174.55 mi (280.91 km) |
| Horndean to Oupeye | 290.11 mi (466.88 km) |
| Horndean to Overijse | 241.32 mi (388.37 km) |
| Horndean to Overpelt | 279.15 mi (449.24 km) |
| Horndean to Paal | 268.43 mi (432.00 km) |
| Horndean to Peer | 280.62 mi (451.62 km) |
| Horndean to Pepinster | 298.74 mi (480.78 km) |
| Horndean to Peruwelz | 202.18 mi (325.37 km) |
| Horndean to Perwez | 254.65 mi (409.83 km) |
| Horndean to Philippeville | 248.33 mi (399.65 km) |