| Langenfeld to Opwijk | 120.63 mi (194.14 km) |
| Langenfeld to Ostend | 174.75 mi (281.23 km) |
| Langenfeld to Oud-Heverlee | 101.24 mi (162.93 km) |
| Langenfeld to Oud-Turnhout | 86.23 mi (138.77 km) |
| Langenfeld to Oudenaarde | 146.86 mi (236.35 km) |
| Langenfeld to Oudenburg | 171.24 mi (275.58 km) |
| Langenfeld to Oupeye | 63.54 mi (102.26 km) |
| Langenfeld to Overijse | 107.68 mi (173.30 km) |
| Langenfeld to Overpelt | 66.79 mi (107.48 km) |
| Langenfeld to Paal | 77.33 mi (124.45 km) |
| Langenfeld to Peer | 64.90 mi (104.45 km) |
| Langenfeld to Pepinster | 62.36 mi (100.36 km) |
| Langenfeld to Peruwelz | 152.69 mi (245.73 km) |
| Langenfeld to Perwez | 99.11 mi (159.51 km) |
| Langenfeld to Philippeville | 122.72 mi (197.50 km) |
