| Castellanza to Flemalle-Haute | 379.04 mi (610.00 km) |
| Castellanza to Fleron | 375.89 mi (604.94 km) |
| Castellanza to Fleurus | 391.94 mi (630.76 km) |
| Castellanza to Florennes | 376.80 mi (606.39 km) |
| Castellanza to Fontaine-l'Eveque | 393.35 mi (633.04 km) |
| Castellanza to Forest | 416.08 mi (669.61 km) |
| Castellanza to Frameries | 403.82 mi (649.89 km) |
| Castellanza to Galmaarden | 421.03 mi (677.58 km) |
| Castellanza to Ganshoren | 419.40 mi (674.96 km) |
| Castellanza to Gavere | 438.90 mi (706.34 km) |
| Castellanza to Geel | 423.01 mi (680.77 km) |
| Castellanza to Gembloux | 393.35 mi (633.03 km) |
| Castellanza to Genappe | 400.70 mi (644.87 km) |
| Castellanza to Genk | 401.16 mi (645.60 km) |
| Castellanza to Gent | 444.28 mi (715.00 km) |
