| Portimao to Kobarid | 1,296.82 mi (2,087.02 km) |
| Portimao to Kobilje | 1,433.21 mi (2,306.52 km) |
| Portimao to Kocevje | 1,341.03 mi (2,158.19 km) |
| Portimao to Komen | 1,294.21 mi (2,082.83 km) |
| Portimao to Komenda | 1,338.93 mi (2,154.80 km) |
| Portimao to Koper | 1,287.34 mi (2,071.77 km) |
| Portimao to Kostanjevica na Krki | 1,371.27 mi (2,206.85 km) |
| Portimao to Kostel | 1,340.58 mi (2,157.46 km) |
| Portimao to Kozje | 1,382.20 mi (2,224.43 km) |
| Portimao to Kranj | 1,331.79 mi (2,143.31 km) |
| Portimao to Kranjska Gora | 1,312.10 mi (2,111.62 km) |
| Portimao to Krizevci | 1,419.08 mi (2,283.78 km) |
| Portimao to Krsko | 1,376.12 mi (2,214.64 km) |
| Portimao to Kuzma | 1,422.56 mi (2,289.38 km) |
| Portimao to Lasko | 1,369.40 mi (2,203.84 km) |
