| Portimao to Karis | 2,121.75 mi (3,414.63 km) |
| Portimao to Karkkila | 2,155.26 mi (3,468.55 km) |
| Portimao to Kauhajoki | 2,178.60 mi (3,506.12 km) |
| Portimao to Kauhava | 2,229.35 mi (3,587.79 km) |
| Portimao to Kauniainen | 2,158.11 mi (3,473.15 km) |
| Portimao to Kemi | 2,378.86 mi (3,828.41 km) |
| Portimao to Kemijarvi | 2,483.57 mi (3,996.92 km) |
| Portimao to Kempele | 2,364.70 mi (3,805.61 km) |
| Portimao to Kerava | 2,175.49 mi (3,501.12 km) |
| Portimao to Keuruu | 2,236.09 mi (3,598.64 km) |
| Portimao to Kiiminki | 2,380.15 mi (3,830.48 km) |
| Portimao to Kirkkonummi | 2,145.22 mi (3,452.40 km) |
| Portimao to Kitee | 2,379.08 mi (3,828.76 km) |
| Portimao to Kiuruvesi | 2,340.28 mi (3,766.32 km) |
| Portimao to Kivisto | 2,165.32 mi (3,484.74 km) |
