| Piraeus to Knurow | 882.58 mi (1,420.37 km) |
| Piraeus to Kobylka | 1,001.25 mi (1,611.35 km) |
| Piraeus to Kokoszki | 1,159.66 mi (1,866.30 km) |
| Piraeus to Kolbuszowa | 855.36 mi (1,376.57 km) |
| Piraeus to Kolno | 1,071.82 mi (1,724.93 km) |
| Piraeus to Kolo | 1,014.36 mi (1,632.46 km) |
| Piraeus to Kolobrzeg | 1,184.62 mi (1,906.46 km) |
| Piraeus to Koluszki | 972.05 mi (1,564.36 km) |
| Piraeus to Komorniki | 1,044.86 mi (1,681.54 km) |
| Piraeus to Konin | 1,019.83 mi (1,641.27 km) |
| Piraeus to Konskie | 929.43 mi (1,495.77 km) |
| Piraeus to Konstancin-Jeziorna | 984.63 mi (1,584.60 km) |
| Piraeus to Konstantynow Lodzki | 976.65 mi (1,571.76 km) |
| Piraeus to Koronowo | 1,096.63 mi (1,764.85 km) |
| Piraeus to Koscian | 1,033.87 mi (1,663.85 km) |
