| Bilbao to Kluczbork | 1,122.55 mi (1,806.57 km) |
| Bilbao to Knurow | 1,125.09 mi (1,810.67 km) |
| Bilbao to Kobylka | 1,274.62 mi (2,051.30 km) |
| Bilbao to Kokoszki | 1,231.54 mi (1,981.98 km) |
| Bilbao to Kolbuszowa | 1,257.32 mi (2,023.46 km) |
| Bilbao to Kolno | 1,329.67 mi (2,139.90 km) |
| Bilbao to Kolo | 1,170.30 mi (1,883.41 km) |
| Bilbao to Kolobrzeg | 1,125.33 mi (1,811.05 km) |
| Bilbao to Koluszki | 1,204.93 mi (1,939.14 km) |
| Bilbao to Komorniki | 1,098.10 mi (1,767.22 km) |
| Bilbao to Konin | 1,156.54 mi (1,861.27 km) |
| Bilbao to Konskie | 1,217.73 mi (1,959.74 km) |
| Bilbao to Konstancin-Jeziorna | 1,265.52 mi (2,036.65 km) |
| Bilbao to Konstantynow Lodzki | 1,186.23 mi (1,909.05 km) |
| Bilbao to Koronowo | 1,177.13 mi (1,894.41 km) |
