| Idanha-a-Nova to Koscian | 1,410.65 mi (2,270.23 km) |
| Idanha-a-Nova to Koscielisko | 1,471.89 mi (2,368.77 km) |
| Idanha-a-Nova to Koscierzyna | 1,526.16 mi (2,456.12 km) |
| Idanha-a-Nova to Kostrzyn | 1,441.98 mi (2,320.64 km) |
| Idanha-a-Nova to Kostrzyn nad Odra | 1,354.70 mi (2,180.18 km) |
| Idanha-a-Nova to Koszalin | 1,466.83 mi (2,360.63 km) |
| Idanha-a-Nova to Kowary | 1,339.75 mi (2,156.11 km) |
| Idanha-a-Nova to Kozienice | 1,590.30 mi (2,559.34 km) |
| Idanha-a-Nova to Kozuchow | 1,360.33 mi (2,189.24 km) |
| Idanha-a-Nova to Kozy | 1,452.22 mi (2,337.13 km) |
| Idanha-a-Nova to Krakow | 1,489.65 mi (2,397.36 km) |
| Idanha-a-Nova to Krapkowice | 1,416.87 mi (2,280.23 km) |
| Idanha-a-Nova to Krasnik | 1,602.85 mi (2,579.54 km) |
| Idanha-a-Nova to Krasnystaw | 1,644.53 mi (2,646.61 km) |
| Idanha-a-Nova to Krosno | 1,559.99 mi (2,510.56 km) |
