| Cities | Distance |
|---|---|
| Horley to Opwijk | 189.60 mi (305.14 km) |
| Horley to Ostend | 133.88 mi (215.46 km) |
| Horley to Oud-Heverlee | 211.65 mi (340.62 km) |
| Horley to Oud-Turnhout | 223.15 mi (359.12 km) |
| Horley to Oudenaarde | 165.47 mi (266.30 km) |
| Horley to Oudenburg | 137.38 mi (221.10 km) |
| Horley to Oupeye | 255.14 mi (410.61 km) |
| Horley to Overijse | 206.42 mi (332.21 km) |
| Horley to Overpelt | 241.94 mi (389.37 km) |
| Horley to Paal | 232.00 mi (373.37 km) |
| Horley to Peer | 243.76 mi (392.29 km) |
| Horley to Pepinster | 264.40 mi (425.51 km) |
| Horley to Peruwelz | 169.99 mi (273.57 km) |
| Horley to Perwez | 220.57 mi (354.97 km) |
| Horley to Philippeville | 217.34 mi (349.77 km) |