| Isernia to Flemalle-Haute | 749.41 mi (1,206.06 km) |
| Isernia to Fleron | 744.47 mi (1,198.10 km) |
| Isernia to Fleurus | 768.82 mi (1,237.29 km) |
| Isernia to Florennes | 754.68 mi (1,214.53 km) |
| Isernia to Fontaine-l'Eveque | 771.64 mi (1,241.83 km) |
| Isernia to Forest | 792.07 mi (1,274.71 km) |
| Isernia to Frameries | 783.88 mi (1,261.54 km) |
| Isernia to Galmaarden | 799.05 mi (1,285.94 km) |
| Isernia to Ganshoren | 795.12 mi (1,279.62 km) |
| Isernia to Gavere | 817.21 mi (1,315.18 km) |
| Isernia to Geel | 792.73 mi (1,275.78 km) |
| Isernia to Gembloux | 768.93 mi (1,237.48 km) |
| Isernia to Genappe | 777.31 mi (1,250.96 km) |
| Isernia to Genk | 768.61 mi (1,236.97 km) |
| Isernia to Gent | 821.72 mi (1,322.43 km) |
