| Olecko to Orzesze | 311.88 mi (501.92 km) |
| Olecko to Osowa | 164.96 mi (265.48 km) |
| Olecko to Ostroda | 105.74 mi (170.18 km) |
| Olecko to Ostroleka | 76.99 mi (123.91 km) |
| Olecko to Ostrow Mazowiecka | 88.72 mi (142.78 km) |
| Olecko to Ostrow Wielkopolski | 255.52 mi (411.21 km) |
| Olecko to Ostrowiec Swietokrzyski | 219.13 mi (352.65 km) |
| Olecko to Ostrzeszow | 262.97 mi (423.20 km) |
| Olecko to Oswiecim | 309.14 mi (497.52 km) |
| Olecko to Otwock | 141.97 mi (228.48 km) |
| Olecko to Ozarow Mazowiecki | 143.94 mi (231.65 km) |
| Olecko to Ozimek | 294.22 mi (473.50 km) |
| Olecko to Ozorkow | 195.61 mi (314.81 km) |
| Olecko to Pabianice | 209.80 mi (337.64 km) |
| Olecko to Parczew | 166.53 mi (268.00 km) |
