| Onex to Kluczbork | 644.36 mi (1,036.99 km) |
| Onex to Knurow | 641.93 mi (1,033.08 km) |
| Onex to Kobylka | 800.26 mi (1,287.90 km) |
| Onex to Kokoszki | 784.09 mi (1,261.87 km) |
| Onex to Kolbuszowa | 772.22 mi (1,242.77 km) |
| Onex to Kolno | 861.84 mi (1,386.99 km) |
| Onex to Kolo | 700.64 mi (1,127.56 km) |
| Onex to Kolobrzeg | 692.11 mi (1,113.85 km) |
| Onex to Koluszki | 729.08 mi (1,173.33 km) |
| Onex to Komorniki | 635.61 mi (1,022.92 km) |
| Onex to Konin | 688.07 mi (1,107.35 km) |
| Onex to Konskie | 737.52 mi (1,186.93 km) |
| Onex to Konstancin-Jeziorna | 789.62 mi (1,270.77 km) |
| Onex to Konstantynow Lodzki | 711.28 mi (1,144.70 km) |
| Onex to Koronowo | 720.79 mi (1,160.01 km) |
