| Middle Island to Opole | 4,150.49 mi (6,679.57 km) |
| Middle Island to Orzesze | 4,199.41 mi (6,758.29 km) |
| Middle Island to Osowa | 4,046.46 mi (6,512.15 km) |
| Middle Island to Ostroda | 4,123.70 mi (6,636.45 km) |
| Middle Island to Ostroleka | 4,202.64 mi (6,763.50 km) |
| Middle Island to Ostrow Mazowiecka | 4,223.96 mi (6,797.80 km) |
| Middle Island to Ostrow Wielkopolski | 4,113.15 mi (6,619.47 km) |
| Middle Island to Ostrowiec Swietokrzyski | 4,271.98 mi (6,875.09 km) |
| Middle Island to Ostrzeszow | 4,125.30 mi (6,639.03 km) |
| Middle Island to Oswiecim | 4,221.35 mi (6,793.61 km) |
| Middle Island to Otwock | 4,225.06 mi (6,799.58 km) |
| Middle Island to Ozarow Mazowiecki | 4,204.51 mi (6,766.51 km) |
| Middle Island to Ozimek | 4,160.95 mi (6,696.41 km) |
| Middle Island to Ozorkow | 4,157.26 mi (6,690.47 km) |
| Middle Island to Pabianice | 4,171.77 mi (6,713.82 km) |
