| Osmaneli to Opwijk | 1,436.11 mi (2,311.20 km) |
| Osmaneli to Ostend | 1,493.77 mi (2,403.99 km) |
| Osmaneli to Oud-Heverlee | 1,413.15 mi (2,274.25 km) |
| Osmaneli to Oud-Turnhout | 1,412.79 mi (2,273.66 km) |
| Osmaneli to Oudenaarde | 1,457.21 mi (2,345.15 km) |
| Osmaneli to Oudenburg | 1,489.50 mi (2,397.11 km) |
| Osmaneli to Oupeye | 1,370.29 mi (2,205.27 km) |
| Osmaneli to Overijse | 1,417.37 mi (2,281.03 km) |
| Osmaneli to Overpelt | 1,392.84 mi (2,241.56 km) |
| Osmaneli to Paal | 1,397.89 mi (2,249.69 km) |
| Osmaneli to Peer | 1,389.11 mi (2,235.56 km) |
| Osmaneli to Pepinster | 1,359.57 mi (2,188.02 km) |
| Osmaneli to Peruwelz | 1,450.34 mi (2,334.10 km) |
| Osmaneli to Perwez | 1,401.95 mi (2,256.22 km) |
| Osmaneli to Philippeville | 1,402.93 mi (2,257.80 km) |
