| South Portland to Kortenberg | 3,391.62 mi (5,458.28 km) |
| South Portland to Kortrijk | 3,341.73 mi (5,377.99 km) |
| South Portland to Kraainem | 3,389.11 mi (5,454.25 km) |
| South Portland to Kruibeke | 3,374.82 mi (5,431.24 km) |
| South Portland to Kuurne | 3,342.04 mi (5,378.49 km) |
| South Portland to La Bruyere | 3,412.59 mi (5,492.03 km) |
| South Portland to La Calamine | 3,455.55 mi (5,561.17 km) |
| South Portland to La Louviere | 3,388.47 mi (5,453.21 km) |
| South Portland to Laarne | 3,360.59 mi (5,408.35 km) |
| South Portland to Laeken | 3,384.60 mi (5,446.99 km) |
| South Portland to Lanaken | 3,436.25 mi (5,530.11 km) |
| South Portland to Landen | 3,417.12 mi (5,499.32 km) |
| South Portland to Lebbeke | 3,371.78 mi (5,426.35 km) |
| South Portland to Lede | 3,367.26 mi (5,419.09 km) |
| South Portland to Ledegem | 3,335.55 mi (5,368.04 km) |
