| Portalegre to Kortenberg | 986.45 mi (1,587.54 km) |
| Portalegre to Kortrijk | 949.11 mi (1,527.45 km) |
| Portalegre to Kraainem | 983.17 mi (1,582.26 km) |
| Portalegre to Kruibeke | 994.99 mi (1,601.28 km) |
| Portalegre to Kuurne | 950.65 mi (1,529.92 km) |
| Portalegre to La Bruyere | 974.29 mi (1,567.96 km) |
| Portalegre to La Calamine | 1,020.53 mi (1,642.39 km) |
| Portalegre to La Louviere | 954.62 mi (1,536.31 km) |
| Portalegre to Laarne | 974.68 mi (1,568.60 km) |
| Portalegre to Laeken | 981.16 mi (1,579.02 km) |
| Portalegre to Lanaken | 1,019.45 mi (1,640.65 km) |
| Portalegre to Landen | 995.61 mi (1,602.27 km) |
| Portalegre to Lebbeke | 981.03 mi (1,578.82 km) |
| Portalegre to Lede | 975.60 mi (1,570.07 km) |
| Portalegre to Ledegem | 946.54 mi (1,523.30 km) |
