| Idstein to Flemalle-Haute | 126.54 mi (203.65 km) |
| Idstein to Fleron | 117.29 mi (188.77 km) |
| Idstein to Fleurus | 165.90 mi (266.99 km) |
| Idstein to Florennes | 162.18 mi (261.00 km) |
| Idstein to Fontaine-l'Eveque | 175.10 mi (281.79 km) |
| Idstein to Forest | 178.25 mi (286.87 km) |
| Idstein to Frameries | 193.82 mi (311.92 km) |
| Idstein to Galmaarden | 192.84 mi (310.34 km) |
| Idstein to Ganshoren | 179.38 mi (288.69 km) |
| Idstein to Gavere | 208.04 mi (334.80 km) |
| Idstein to Geel | 157.49 mi (253.46 km) |
| Idstein to Gembloux | 159.95 mi (257.42 km) |
| Idstein to Genappe | 170.40 mi (274.23 km) |
| Idstein to Genk | 132.04 mi (212.50 km) |
| Idstein to Gent | 207.44 mi (333.84 km) |
