| Lakeland Highlands to Opole | 5,150.40 mi (8,288.76 km) |
| Lakeland Highlands to Orzesze | 5,198.32 mi (8,365.88 km) |
| Lakeland Highlands to Osowa | 5,060.32 mi (8,143.80 km) |
| Lakeland Highlands to Ostroda | 5,136.70 mi (8,266.72 km) |
| Lakeland Highlands to Ostroleka | 5,215.29 mi (8,393.19 km) |
| Lakeland Highlands to Ostrow Mazowiecka | 5,236.13 mi (8,426.74 km) |
| Lakeland Highlands to Ostrow Wielkopolski | 5,116.80 mi (8,234.70 km) |
| Lakeland Highlands to Ostrowiec Swietokrzyski | 5,277.44 mi (8,493.21 km) |
| Lakeland Highlands to Ostrzeszow | 5,128.19 mi (8,253.03 km) |
| Lakeland Highlands to Oswiecim | 5,220.47 mi (8,401.54 km) |
| Lakeland Highlands to Otwock | 5,234.40 mi (8,423.96 km) |
| Lakeland Highlands to Ozarow Mazowiecki | 5,213.66 mi (8,390.58 km) |
| Lakeland Highlands to Ozimek | 5,161.26 mi (8,306.25 km) |
| Lakeland Highlands to Ozorkow | 5,163.83 mi (8,310.38 km) |
| Lakeland Highlands to Pabianice | 5,177.32 mi (8,332.09 km) |
