| Estoril to Kikinda | 1,592.83 mi (2,563.41 km) |
| Estoril to Kladovo | 1,690.05 mi (2,719.87 km) |
| Estoril to Knic | 1,594.40 mi (2,565.93 km) |
| Estoril to Knjazevac | 1,679.35 mi (2,702.66 km) |
| Estoril to Koceljeva | 1,551.84 mi (2,497.44 km) |
| Estoril to Kosjeric | 1,554.97 mi (2,502.48 km) |
| Estoril to Kovacica | 1,595.53 mi (2,567.76 km) |
| Estoril to Kovin | 1,610.22 mi (2,591.40 km) |
| Estoril to Kragujevac | 1,605.77 mi (2,584.24 km) |
| Estoril to Kraljevo | 1,592.36 mi (2,562.66 km) |
| Estoril to Krupanj | 1,529.59 mi (2,461.64 km) |
| Estoril to Krusevac | 1,624.03 mi (2,613.62 km) |
| Estoril to Kucevo | 1,643.37 mi (2,644.74 km) |
| Estoril to Kula | 1,546.89 mi (2,489.47 km) |
| Estoril to Kursumlija | 1,620.60 mi (2,608.10 km) |