| Barreiro to Jozefow | 1,720.51 mi (2,768.89 km) |
| Barreiro to Kalisz | 1,586.44 mi (2,553.12 km) |
| Barreiro to Kamien Pomorski | 1,539.22 mi (2,477.14 km) |
| Barreiro to Kamienna Gora | 1,478.06 mi (2,378.70 km) |
| Barreiro to Karczew | 1,719.95 mi (2,768.00 km) |
| Barreiro to Kartuzy | 1,670.68 mi (2,688.70 km) |
| Barreiro to Katowice | 1,586.02 mi (2,552.45 km) |
| Barreiro to Kedzierzyn-Kozle | 1,554.17 mi (2,501.19 km) |
| Barreiro to Kepno | 1,569.51 mi (2,525.88 km) |
| Barreiro to Ketrzyn | 1,777.82 mi (2,861.12 km) |
| Barreiro to Kety | 1,586.15 mi (2,552.67 km) |
| Barreiro to Kielce | 1,666.81 mi (2,682.47 km) |
| Barreiro to Kielczow | 1,533.63 mi (2,468.14 km) |
| Barreiro to Klobuck | 1,598.17 mi (2,572.00 km) |
| Barreiro to Klodzko | 1,492.97 mi (2,402.71 km) |
