| Merseburg to Opwijk | 339.29 mi (546.04 km) |
| Merseburg to Ostend | 391.91 mi (630.71 km) |
| Merseburg to Oud-Heverlee | 319.80 mi (514.67 km) |
| Merseburg to Oud-Turnhout | 302.47 mi (486.78 km) |
| Merseburg to Oudenaarde | 365.59 mi (588.36 km) |
| Merseburg to Oudenburg | 388.69 mi (625.53 km) |
| Merseburg to Oupeye | 279.41 mi (449.66 km) |
| Merseburg to Overijse | 326.12 mi (524.84 km) |
| Merseburg to Overpelt | 284.24 mi (457.44 km) |
| Merseburg to Paal | 295.98 mi (476.33 km) |
| Merseburg to Peer | 283.16 mi (455.70 km) |
| Merseburg to Pepinster | 274.14 mi (441.19 km) |
| Merseburg to Peruwelz | 370.50 mi (596.26 km) |
| Merseburg to Perwez | 316.09 mi (508.70 km) |
| Merseburg to Philippeville | 334.65 mi (538.57 km) |
