| Cities | Distance |
|---|
| Olsztyn to Opwijk | 712.53 mi (1,146.70 km) |
| Olsztyn to Ostend | 757.18 mi (1,218.56 km) |
| Olsztyn to Oud-Heverlee | 696.63 mi (1,121.12 km) |
| Olsztyn to Oud-Turnhout | 671.41 mi (1,080.53 km) |
| Olsztyn to Oudenaarde | 739.10 mi (1,189.46 km) |
| Olsztyn to Oudenburg | 754.93 mi (1,214.95 km) |
| Olsztyn to Oupeye | 661.06 mi (1,063.88 km) |
| Olsztyn to Overijse | 703.34 mi (1,131.92 km) |
| Olsztyn to Overpelt | 656.42 mi (1,056.40 km) |
| Olsztyn to Paal | 670.81 mi (1,079.56 km) |
| Olsztyn to Peer | 657.08 mi (1,057.47 km) |
| Olsztyn to Pepinster | 658.28 mi (1,059.40 km) |
| Olsztyn to Peruwelz | 748.85 mi (1,205.17 km) |
| Olsztyn to Perwez | 696.50 mi (1,120.91 km) |
| Olsztyn to Philippeville | 719.55 mi (1,158.01 km) |
