| Oldenzaal to Opwijk | 150.33 mi (241.93 km) |
| Oldenzaal to Ostend | 187.40 mi (301.60 km) |
| Oldenzaal to Oud-Heverlee | 141.33 mi (227.45 km) |
| Oldenzaal to Oud-Turnhout | 108.21 mi (174.15 km) |
| Oldenzaal to Oudenaarde | 175.33 mi (282.16 km) |
| Oldenzaal to Oudenburg | 185.55 mi (298.61 km) |
| Oldenzaal to Oupeye | 124.20 mi (199.89 km) |
| Oldenzaal to Overijse | 147.83 mi (237.91 km) |
| Oldenzaal to Overpelt | 99.90 mi (160.78 km) |
| Oldenzaal to Paal | 116.10 mi (186.84 km) |
| Oldenzaal to Peer | 103.45 mi (166.48 km) |
| Oldenzaal to Pepinster | 130.12 mi (209.41 km) |
| Oldenzaal to Peruwelz | 190.50 mi (306.59 km) |
| Oldenzaal to Perwez | 148.27 mi (238.62 km) |
| Oldenzaal to Philippeville | 178.89 mi (287.89 km) |
