| Portalegre to Klaukkala | 2,004.81 mi (3,226.43 km) |
| Portalegre to Kokkola | 2,100.83 mi (3,380.96 km) |
| Portalegre to Kontiolahti | 2,232.75 mi (3,593.26 km) |
| Portalegre to Korsholm | 2,034.35 mi (3,273.96 km) |
| Portalegre to Kotka | 2,072.20 mi (3,334.88 km) |
| Portalegre to Kouvola | 2,078.90 mi (3,345.67 km) |
| Portalegre to Kuhmo | 2,270.65 mi (3,654.25 km) |
| Portalegre to Kuopio | 2,177.93 mi (3,505.05 km) |
| Portalegre to Kurikka | 2,030.32 mi (3,267.48 km) |
| Portalegre to Kuusamo | 2,330.73 mi (3,750.94 km) |
| Portalegre to Kuusankoski | 2,077.95 mi (3,344.14 km) |
| Portalegre to Lahti | 2,052.58 mi (3,303.32 km) |
| Portalegre to Laitila | 1,939.07 mi (3,120.63 km) |
| Portalegre to Lapinlahti | 2,187.61 mi (3,520.62 km) |
| Portalegre to Lappeenranta | 2,128.88 mi (3,426.10 km) |
