| Portimao to Kikinda | 1,605.16 mi (2,583.26 km) |
| Portimao to Kladovo | 1,695.22 mi (2,728.19 km) |
| Portimao to Knic | 1,596.65 mi (2,569.56 km) |
| Portimao to Knjazevac | 1,679.08 mi (2,702.21 km) |
| Portimao to Koceljeva | 1,557.37 mi (2,506.35 km) |
| Portimao to Kosjeric | 1,557.94 mi (2,507.26 km) |
| Portimao to Kovacica | 1,604.04 mi (2,581.46 km) |
| Portimao to Kovin | 1,616.71 mi (2,601.84 km) |
| Portimao to Kragujevac | 1,608.46 mi (2,588.57 km) |
| Portimao to Kraljevo | 1,593.61 mi (2,564.67 km) |
| Portimao to Krupanj | 1,534.77 mi (2,469.98 km) |
| Portimao to Krusevac | 1,624.38 mi (2,614.19 km) |
| Portimao to Kucevo | 1,648.23 mi (2,652.57 km) |
| Portimao to Kula | 1,558.57 mi (2,508.28 km) |
| Portimao to Kursumlija | 1,618.68 mi (2,605.02 km) |
