| Ostrov to Knurow | 253.73 mi (408.34 km) |
| Ostrov to Kobylka | 382.96 mi (616.31 km) |
| Ostrov to Kokoszki | 364.73 mi (586.97 km) |
| Ostrov to Kolbuszowa | 389.57 mi (626.95 km) |
| Ostrov to Kolno | 439.25 mi (706.90 km) |
| Ostrov to Kolo | 278.74 mi (448.59 km) |
| Ostrov to Kolobrzeg | 289.69 mi (466.21 km) |
| Ostrov to Koluszki | 314.25 mi (505.73 km) |
| Ostrov to Komorniki | 211.53 mi (340.42 km) |
| Ostrov to Konin | 265.40 mi (427.11 km) |
| Ostrov to Konskie | 332.49 mi (535.10 km) |
| Ostrov to Konstancin-Jeziorna | 374.52 mi (602.73 km) |
| Ostrov to Konstantynow Lodzki | 295.11 mi (474.93 km) |
| Ostrov to Koronowo | 297.83 mi (479.31 km) |
| Ostrov to Koscian | 202.19 mi (325.39 km) |
