| Smorumnedre to Opwijk | 469.04 mi (754.84 km) |
| Smorumnedre to Ostend | 495.03 mi (796.68 km) |
| Smorumnedre to Oud-Heverlee | 462.13 mi (743.73 km) |
| Smorumnedre to Oud-Turnhout | 427.86 mi (688.58 km) |
| Smorumnedre to Oudenaarde | 492.22 mi (792.16 km) |
| Smorumnedre to Oudenburg | 494.47 mi (795.77 km) |
| Smorumnedre to Oupeye | 442.74 mi (712.52 km) |
| Smorumnedre to Overijse | 468.52 mi (754.01 km) |
| Smorumnedre to Overpelt | 420.92 mi (677.41 km) |
| Smorumnedre to Paal | 437.11 mi (703.47 km) |
| Smorumnedre to Peer | 424.41 mi (683.02 km) |
| Smorumnedre to Pepinster | 446.37 mi (718.36 km) |
| Smorumnedre to Peruwelz | 509.70 mi (820.28 km) |
| Smorumnedre to Perwez | 469.25 mi (755.18 km) |
| Smorumnedre to Philippeville | 499.56 mi (803.97 km) |
