| Grefrath to Flemalle-Haute | 63.56 mi (102.29 km) |
| Grefrath to Fleron | 57.36 mi (92.31 km) |
| Grefrath to Fleurus | 98.35 mi (158.29 km) |
| Grefrath to Florennes | 106.63 mi (171.60 km) |
| Grefrath to Fontaine-l'Eveque | 108.73 mi (174.99 km) |
| Grefrath to Forest | 94.69 mi (152.39 km) |
| Grefrath to Frameries | 124.57 mi (200.47 km) |
| Grefrath to Galmaarden | 110.80 mi (178.31 km) |
| Grefrath to Ganshoren | 93.62 mi (150.66 km) |
| Grefrath to Gavere | 119.23 mi (191.88 km) |
| Grefrath to Geel | 59.16 mi (95.20 km) |
| Grefrath to Gembloux | 89.62 mi (144.23 km) |
| Grefrath to Genappe | 96.73 mi (155.67 km) |
| Grefrath to Genk | 44.44 mi (71.52 km) |
| Grefrath to Gent | 114.91 mi (184.94 km) |
