| Arad to Kluczbork | 361.02 mi (581.01 km) |
| Arad to Knurow | 304.33 mi (489.77 km) |
| Arad to Kobylka | 425.53 mi (684.82 km) |
| Arad to Kokoszki | 578.57 mi (931.12 km) |
| Arad to Kolbuszowa | 282.33 mi (454.36 km) |
| Arad to Kolno | 500.69 mi (805.79 km) |
| Arad to Kolo | 433.43 mi (697.54 km) |
| Arad to Kolobrzeg | 607.83 mi (978.21 km) |
| Arad to Koluszki | 391.23 mi (629.63 km) |
| Arad to Komorniki | 469.32 mi (755.30 km) |
| Arad to Konin | 439.41 mi (707.16 km) |
| Arad to Konskie | 349.58 mi (562.60 km) |
| Arad to Konstancin-Jeziorna | 408.32 mi (657.13 km) |
| Arad to Konstantynow Lodzki | 395.48 mi (636.46 km) |
| Arad to Koronowo | 515.84 mi (830.17 km) |
