| Cities | Distance |
|---|
| Olecko to Opwijk | 796.49 mi (1,281.83 km) |
| Olecko to Ostend | 840.80 mi (1,353.14 km) |
| Olecko to Oud-Heverlee | 780.69 mi (1,256.40 km) |
| Olecko to Oud-Turnhout | 755.30 mi (1,215.53 km) |
| Olecko to Oudenaarde | 823.05 mi (1,324.57 km) |
| Olecko to Oudenburg | 838.60 mi (1,349.60 km) |
| Olecko to Oupeye | 745.19 mi (1,199.26 km) |
| Olecko to Overijse | 787.41 mi (1,267.21 km) |
| Olecko to Overpelt | 740.41 mi (1,191.58 km) |
| Olecko to Paal | 754.85 mi (1,214.81 km) |
| Olecko to Peer | 741.11 mi (1,192.70 km) |
| Olecko to Pepinster | 742.40 mi (1,194.77 km) |
| Olecko to Peruwelz | 832.92 mi (1,340.45 km) |
| Olecko to Perwez | 780.61 mi (1,256.27 km) |
| Olecko to Philippeville | 803.67 mi (1,293.38 km) |
