| Cities | Distance |
|---|---|
| Olfen to Opwijk | 147.50 mi (237.38 km) |
| Olfen to Ostend | 195.06 mi (313.92 km) |
| Olfen to Oud-Heverlee | 132.33 mi (212.96 km) |
| Olfen to Oud-Turnhout | 106.82 mi (171.91 km) |
| Olfen to Oudenaarde | 174.09 mi (280.18 km) |
| Olfen to Oudenburg | 192.27 mi (309.43 km) |
| Olfen to Oupeye | 102.60 mi (165.12 km) |
| Olfen to Overijse | 139.09 mi (223.85 km) |
| Olfen to Overpelt | 91.42 mi (147.13 km) |
| Olfen to Paal | 106.20 mi (170.91 km) |
| Olfen to Peer | 92.40 mi (148.71 km) |
| Olfen to Pepinster | 104.52 mi (168.21 km) |
| Olfen to Peruwelz | 184.46 mi (296.87 km) |
| Olfen to Perwez | 134.44 mi (216.37 km) |
| Olfen to Philippeville | 161.80 mi (260.39 km) |