| Barreiro to Kluczbork | 1,570.87 mi (2,528.06 km) |
| Barreiro to Knurow | 1,570.98 mi (2,528.25 km) |
| Barreiro to Kobylka | 1,724.12 mi (2,774.70 km) |
| Barreiro to Kokoszki | 1,681.65 mi (2,706.35 km) |
| Barreiro to Kolbuszowa | 1,701.30 mi (2,737.97 km) |
| Barreiro to Kolno | 1,780.10 mi (2,864.79 km) |
| Barreiro to Kolo | 1,620.43 mi (2,607.82 km) |
| Barreiro to Kolobrzeg | 1,574.28 mi (2,533.56 km) |
| Barreiro to Koluszki | 1,654.01 mi (2,661.88 km) |
| Barreiro to Komorniki | 1,548.68 mi (2,492.36 km) |
| Barreiro to Konin | 1,606.78 mi (2,585.86 km) |
| Barreiro to Konskie | 1,665.37 mi (2,680.15 km) |
| Barreiro to Konstancin-Jeziorna | 1,714.66 mi (2,759.47 km) |
| Barreiro to Konstantynow Lodzki | 1,635.51 mi (2,632.09 km) |
| Barreiro to Koronowo | 1,627.76 mi (2,619.63 km) |
