| Castle Rock to Geraardsbergen | 4,868.22 mi (7,834.64 km) |
| Castle Rock to Gerpinnes | 4,909.50 mi (7,901.08 km) |
| Castle Rock to Gistel | 4,820.85 mi (7,758.40 km) |
| Castle Rock to Gooik | 4,875.24 mi (7,845.94 km) |
| Castle Rock to Grez-Doiceau | 4,897.87 mi (7,882.36 km) |
| Castle Rock to Grimbergen | 4,878.42 mi (7,851.06 km) |
| Castle Rock to Grobbendonk | 4,877.92 mi (7,850.25 km) |
| Castle Rock to Haacht | 4,885.06 mi (7,861.74 km) |
| Castle Rock to Haaltert | 4,866.93 mi (7,832.57 km) |
| Castle Rock to Halen | 4,902.32 mi (7,889.51 km) |
| Castle Rock to Halle | 4,882.11 mi (7,857.00 km) |
| Castle Rock to Hamme | 4,863.45 mi (7,826.96 km) |
| Castle Rock to Hannut | 4,913.72 mi (7,907.86 km) |
| Castle Rock to Harelbeke | 4,845.49 mi (7,798.07 km) |
| Castle Rock to Hasselt | 4,910.59 mi (7,902.82 km) |
