| Novo Mesto to Opwijk | 616.60 mi (992.32 km) |
| Novo Mesto to Ostend | 673.03 mi (1,083.14 km) |
| Novo Mesto to Oud-Heverlee | 593.82 mi (955.66 km) |
| Novo Mesto to Oud-Turnhout | 600.85 mi (966.97 km) |
| Novo Mesto to Oudenaarde | 634.59 mi (1,021.27 km) |
| Novo Mesto to Oudenburg | 668.56 mi (1,075.94 km) |
| Novo Mesto to Oupeye | 553.32 mi (890.48 km) |
| Novo Mesto to Overijse | 596.99 mi (960.76 km) |
| Novo Mesto to Overpelt | 581.61 mi (936.01 km) |
| Novo Mesto to Paal | 583.14 mi (938.47 km) |
| Novo Mesto to Peer | 576.91 mi (928.44 km) |
| Novo Mesto to Pepinster | 541.54 mi (871.52 km) |
| Novo Mesto to Peruwelz | 624.45 mi (1,004.95 km) |
| Novo Mesto to Perwez | 580.76 mi (934.63 km) |
| Novo Mesto to Philippeville | 576.55 mi (927.86 km) |
