| Smarjeske Toplice to Opwijk | 615.93 mi (991.25 km) |
| Smarjeske Toplice to Ostend | 672.45 mi (1,082.21 km) |
| Smarjeske Toplice to Oud-Heverlee | 593.13 mi (954.55 km) |
| Smarjeske Toplice to Oud-Turnhout | 599.86 mi (965.38 km) |
| Smarjeske Toplice to Oudenaarde | 634.08 mi (1,020.45 km) |
| Smarjeske Toplice to Oudenburg | 667.99 mi (1,075.02 km) |
| Smarjeske Toplice to Oupeye | 552.48 mi (889.14 km) |
| Smarjeske Toplice to Overijse | 596.35 mi (959.73 km) |
| Smarjeske Toplice to Overpelt | 580.58 mi (934.35 km) |
| Smarjeske Toplice to Paal | 582.24 mi (937.03 km) |
| Smarjeske Toplice to Peer | 575.90 mi (926.83 km) |
| Smarjeske Toplice to Pepinster | 540.74 mi (870.24 km) |
| Smarjeske Toplice to Peruwelz | 624.10 mi (1,004.40 km) |
| Smarjeske Toplice to Perwez | 580.14 mi (933.64 km) |
| Smarjeske Toplice to Philippeville | 576.20 mi (927.31 km) |
