| Portalegre to Juprelle | 1,007.14 mi (1,620.83 km) |
| Portalegre to Jurbise | 951.04 mi (1,530.55 km) |
| Portalegre to Kalmthout | 1,011.14 mi (1,627.28 km) |
| Portalegre to Kampenhout | 989.96 mi (1,593.19 km) |
| Portalegre to Kapelle-op-den-Bos | 988.83 mi (1,591.36 km) |
| Portalegre to Kapellen | 1,006.67 mi (1,620.07 km) |
| Portalegre to Kasterlee | 1,017.46 mi (1,637.45 km) |
| Portalegre to Keerbergen | 995.51 mi (1,602.12 km) |
| Portalegre to Kinrooi | 1,034.87 mi (1,665.46 km) |
| Portalegre to Knokke-Heist | 977.83 mi (1,573.66 km) |
| Portalegre to Koekelare | 956.01 mi (1,538.55 km) |
| Portalegre to Koekelberg | 979.94 mi (1,577.06 km) |
| Portalegre to Koksijde | 948.27 mi (1,526.10 km) |
| Portalegre to Kontich | 997.33 mi (1,605.05 km) |
| Portalegre to Kortemark | 954.17 mi (1,535.59 km) |
