| Castano Primo to Flemalle-Haute | 380.77 mi (612.79 km) |
| Castano Primo to Fleron | 377.81 mi (608.03 km) |
| Castano Primo to Fleurus | 392.87 mi (632.26 km) |
| Castano Primo to Florennes | 377.60 mi (607.69 km) |
| Castano Primo to Fontaine-l'Eveque | 394.07 mi (634.19 km) |
| Castano Primo to Forest | 417.09 mi (671.24 km) |
| Castano Primo to Frameries | 404.23 mi (650.55 km) |
| Castano Primo to Galmaarden | 421.75 mi (678.74 km) |
| Castano Primo to Ganshoren | 420.45 mi (676.64 km) |
| Castano Primo to Gavere | 439.55 mi (707.39 km) |
| Castano Primo to Geel | 424.72 mi (683.52 km) |
| Castano Primo to Gembloux | 394.45 mi (634.80 km) |
| Castano Primo to Genappe | 401.66 mi (646.40 km) |
| Castano Primo to Genk | 403.13 mi (648.77 km) |
| Castano Primo to Gent | 445.05 mi (716.24 km) |
