| Idanha-a-Nova to Kluczbork | 1,440.22 mi (2,317.81 km) |
| Idanha-a-Nova to Knurow | 1,440.46 mi (2,318.19 km) |
| Idanha-a-Nova to Kobylka | 1,593.50 mi (2,564.49 km) |
| Idanha-a-Nova to Kokoszki | 1,552.10 mi (2,497.87 km) |
| Idanha-a-Nova to Kolbuszowa | 1,570.96 mi (2,528.22 km) |
| Idanha-a-Nova to Kolno | 1,649.66 mi (2,654.86 km) |
| Idanha-a-Nova to Kolo | 1,489.89 mi (2,397.75 km) |
| Idanha-a-Nova to Kolobrzeg | 1,445.37 mi (2,326.10 km) |
| Idanha-a-Nova to Koluszki | 1,523.37 mi (2,451.63 km) |
| Idanha-a-Nova to Komorniki | 1,418.34 mi (2,282.60 km) |
| Idanha-a-Nova to Konin | 1,476.28 mi (2,375.84 km) |
| Idanha-a-Nova to Konskie | 1,534.74 mi (2,469.92 km) |
| Idanha-a-Nova to Konstancin-Jeziorna | 1,584.02 mi (2,549.23 km) |
| Idanha-a-Nova to Konstantynow Lodzki | 1,504.87 mi (2,421.86 km) |
| Idanha-a-Nova to Koronowo | 1,497.72 mi (2,410.34 km) |
