| Radviliskis to Knurow | 435.35 mi (700.64 km) |
| Radviliskis to Kobylka | 257.74 mi (414.80 km) |
| Radviliskis to Kokoszki | 223.57 mi (359.79 km) |
| Radviliskis to Kolbuszowa | 390.53 mi (628.49 km) |
| Radviliskis to Kolno | 177.30 mi (285.33 km) |
| Radviliskis to Kolo | 318.81 mi (513.07 km) |
| Radviliskis to Kolobrzeg | 335.19 mi (539.44 km) |
| Radviliskis to Koluszki | 318.87 mi (513.17 km) |
| Radviliskis to Komorniki | 369.65 mi (594.89 km) |
| Radviliskis to Konin | 327.41 mi (526.91 km) |
| Radviliskis to Konskie | 342.84 mi (551.74 km) |
| Radviliskis to Konstancin-Jeziorna | 275.16 mi (442.83 km) |
| Radviliskis to Konstantynow Lodzki | 328.42 mi (528.53 km) |
| Radviliskis to Koronowo | 282.84 mi (455.19 km) |
| Radviliskis to Koscian | 380.06 mi (611.65 km) |
