| Idanha-a-Nova to Krosno Odrzanskie | 1,351.02 mi (2,174.26 km) |
| Idanha-a-Nova to Krotoszyn | 1,428.54 mi (2,299.01 km) |
| Idanha-a-Nova to Kruszwica | 1,492.34 mi (2,401.69 km) |
| Idanha-a-Nova to Krynica | 1,520.76 mi (2,447.42 km) |
| Idanha-a-Nova to Krzeszowice | 1,478.36 mi (2,379.19 km) |
| Idanha-a-Nova to Kudowa-Zdroj | 1,345.88 mi (2,165.98 km) |
| Idanha-a-Nova to Kutno | 1,519.20 mi (2,444.92 km) |
| Idanha-a-Nova to Kwidzyn | 1,547.45 mi (2,490.39 km) |
| Idanha-a-Nova to Lancut | 1,587.53 mi (2,554.88 km) |
| Idanha-a-Nova to Lapy | 1,675.40 mi (2,696.30 km) |
| Idanha-a-Nova to Lask | 1,492.75 mi (2,402.35 km) |
| Idanha-a-Nova to Laziska Gorne | 1,445.88 mi (2,326.91 km) |
| Idanha-a-Nova to Lebork | 1,533.15 mi (2,467.37 km) |
| Idanha-a-Nova to Leczna | 1,638.20 mi (2,636.43 km) |
| Idanha-a-Nova to Leczyca | 1,507.69 mi (2,426.39 km) |
