| Estoril to Kluczbork | 1,582.53 mi (2,546.83 km) |
| Estoril to Knurow | 1,583.15 mi (2,547.83 km) |
| Estoril to Kobylka | 1,735.43 mi (2,792.91 km) |
| Estoril to Kokoszki | 1,691.42 mi (2,722.08 km) |
| Estoril to Kolbuszowa | 1,713.79 mi (2,758.08 km) |
| Estoril to Kolno | 1,790.92 mi (2,882.22 km) |
| Estoril to Kolo | 1,631.45 mi (2,625.57 km) |
| Estoril to Kolobrzeg | 1,583.58 mi (2,548.53 km) |
| Estoril to Koluszki | 1,665.46 mi (2,680.31 km) |
| Estoril to Komorniki | 1,559.34 mi (2,509.52 km) |
| Estoril to Konin | 1,617.74 mi (2,603.50 km) |
| Estoril to Konskie | 1,677.20 mi (2,699.20 km) |
| Estoril to Konstancin-Jeziorna | 1,726.10 mi (2,777.88 km) |
| Estoril to Konstantynow Lodzki | 1,646.89 mi (2,650.42 km) |
| Estoril to Koronowo | 1,638.03 mi (2,636.15 km) |
