| Castano Primo to Knurow | 560.60 mi (902.20 km) |
| Castano Primo to Kobylka | 731.77 mi (1,177.67 km) |
| Castano Primo to Kokoszki | 744.82 mi (1,198.66 km) |
| Castano Primo to Kolbuszowa | 682.84 mi (1,098.93 km) |
| Castano Primo to Kolno | 800.41 mi (1,288.14 km) |
| Castano Primo to Kolo | 640.90 mi (1,031.43 km) |
| Castano Primo to Kolobrzeg | 668.01 mi (1,075.05 km) |
| Castano Primo to Koluszki | 659.93 mi (1,062.06 km) |
| Castano Primo to Komorniki | 586.78 mi (944.33 km) |
| Castano Primo to Konin | 630.24 mi (1,014.27 km) |
| Castano Primo to Konskie | 660.77 mi (1,063.41 km) |
| Castano Primo to Konstancin-Jeziorna | 719.09 mi (1,157.27 km) |
| Castano Primo to Konstantynow Lodzki | 643.95 mi (1,036.34 km) |
| Castano Primo to Koronowo | 675.34 mi (1,086.86 km) |
| Castano Primo to Koscian | 575.85 mi (926.74 km) |
