| Istrana to Flemalle-Haute | 456.91 mi (735.32 km) |
| Istrana to Fleron | 450.97 mi (725.77 km) |
| Istrana to Fleurus | 481.18 mi (774.39 km) |
| Istrana to Florennes | 468.47 mi (753.94 km) |
| Istrana to Fontaine-l'Eveque | 485.53 mi (781.38 km) |
| Istrana to Forest | 503.07 mi (809.62 km) |
| Istrana to Frameries | 499.88 mi (804.47 km) |
| Istrana to Galmaarden | 512.05 mi (824.06 km) |
| Istrana to Ganshoren | 505.81 mi (814.02 km) |
| Istrana to Gavere | 530.21 mi (853.30 km) |
| Istrana to Geel | 499.05 mi (803.14 km) |
| Istrana to Gembloux | 480.03 mi (772.53 km) |
| Istrana to Genappe | 489.22 mi (787.33 km) |
| Istrana to Genk | 474.07 mi (762.94 km) |
| Istrana to Gent | 533.65 mi (858.83 km) |
