| Castanet-Tolosan to Kortenberg | 528.50 mi (850.54 km) |
| Castanet-Tolosan to Kortrijk | 512.34 mi (824.53 km) |
| Castanet-Tolosan to Kraainem | 526.14 mi (846.74 km) |
| Castanet-Tolosan to Kruibeke | 544.57 mi (876.39 km) |
| Castanet-Tolosan to Kuurne | 513.75 mi (826.81 km) |
| Castanet-Tolosan to La Bruyere | 506.90 mi (815.77 km) |
| Castanet-Tolosan to La Calamine | 539.40 mi (868.08 km) |
| Castanet-Tolosan to La Louviere | 496.58 mi (799.17 km) |
| Castanet-Tolosan to Laarne | 529.80 mi (852.63 km) |
| Castanet-Tolosan to Laeken | 525.97 mi (846.46 km) |
| Castanet-Tolosan to Lanaken | 545.46 mi (877.83 km) |
| Castanet-Tolosan to Landen | 527.60 mi (849.10 km) |
| Castanet-Tolosan to Lebbeke | 531.41 mi (855.22 km) |
| Castanet-Tolosan to Lede | 527.77 mi (849.37 km) |
| Castanet-Tolosan to Ledegem | 512.67 mi (825.07 km) |
