| Portalegre to Karis | 1,961.81 mi (3,157.23 km) |
| Portalegre to Karkkila | 1,995.08 mi (3,210.77 km) |
| Portalegre to Kauhajoki | 2,016.87 mi (3,245.85 km) |
| Portalegre to Kauhava | 2,067.49 mi (3,327.31 km) |
| Portalegre to Kauniainen | 1,998.34 mi (3,216.01 km) |
| Portalegre to Kemi | 2,216.50 mi (3,567.11 km) |
| Portalegre to Kemijarvi | 2,321.19 mi (3,735.60 km) |
| Portalegre to Kempele | 2,202.54 mi (3,544.65 km) |
| Portalegre to Kerava | 2,015.66 mi (3,243.89 km) |
| Portalegre to Keuruu | 2,074.87 mi (3,339.18 km) |
| Portalegre to Kiiminki | 2,217.96 mi (3,569.46 km) |
| Portalegre to Kirkkonummi | 1,985.45 mi (3,195.27 km) |
| Portalegre to Kitee | 2,219.00 mi (3,571.13 km) |
| Portalegre to Kiuruvesi | 2,178.67 mi (3,506.23 km) |
| Portalegre to Kivisto | 2,005.48 mi (3,227.51 km) |
