| Castanet-Tolosan to Geraardsbergen | 513.15 mi (825.83 km) |
| Castanet-Tolosan to Gerpinnes | 492.41 mi (792.45 km) |
| Castanet-Tolosan to Gistel | 532.34 mi (856.72 km) |
| Castanet-Tolosan to Gooik | 518.03 mi (833.69 km) |
| Castanet-Tolosan to Grez-Doiceau | 520.79 mi (838.12 km) |
| Castanet-Tolosan to Grimbergen | 529.98 mi (852.92 km) |
| Castanet-Tolosan to Grobbendonk | 551.76 mi (887.97 km) |
| Castanet-Tolosan to Haacht | 535.99 mi (862.60 km) |
| Castanet-Tolosan to Haaltert | 523.47 mi (842.44 km) |
| Castanet-Tolosan to Halen | 540.66 mi (870.12 km) |
| Castanet-Tolosan to Halle | 515.14 mi (829.04 km) |
| Castanet-Tolosan to Hamme | 537.16 mi (864.48 km) |
| Castanet-Tolosan to Hannut | 521.92 mi (839.95 km) |
| Castanet-Tolosan to Harelbeke | 514.29 mi (827.67 km) |
| Castanet-Tolosan to Hasselt | 542.90 mi (873.71 km) |
