| Cities | Distance |
|---|---|
| Harlow to Opwijk | 183.67 mi (295.58 km) |
| Harlow to Ostend | 125.98 mi (202.75 km) |
| Harlow to Oud-Heverlee | 206.61 mi (332.50 km) |
| Harlow to Oud-Turnhout | 211.00 mi (339.58 km) |
| Harlow to Oudenaarde | 163.08 mi (262.46 km) |
| Harlow to Oudenburg | 130.24 mi (209.61 km) |
| Harlow to Oupeye | 249.68 mi (401.82 km) |
| Harlow to Overijse | 202.40 mi (325.73 km) |
| Harlow to Overpelt | 230.73 mi (371.32 km) |
| Harlow to Paal | 223.30 mi (359.36 km) |
| Harlow to Peer | 233.53 mi (375.84 km) |
| Harlow to Pepinster | 260.20 mi (418.74 km) |
| Harlow to Peruwelz | 173.28 mi (278.87 km) |
| Harlow to Perwez | 217.99 mi (350.82 km) |
| Harlow to Philippeville | 221.06 mi (355.75 km) |