| Watford to Flemalle-Haute | 264.18 mi (425.16 km) |
| Watford to Fleron | 273.05 mi (439.43 km) |
| Watford to Fleurus | 228.75 mi (368.13 km) |
| Watford to Florennes | 238.20 mi (383.34 km) |
| Watford to Fontaine-l'Eveque | 221.85 mi (357.03 km) |
| Watford to Forest | 212.29 mi (341.65 km) |
| Watford to Frameries | 205.15 mi (330.15 km) |
| Watford to Galmaarden | 198.90 mi (320.10 km) |
| Watford to Ganshoren | 210.86 mi (339.35 km) |
| Watford to Gavere | 182.44 mi (293.60 km) |
| Watford to Geel | 234.91 mi (378.05 km) |
| Watford to Gembloux | 232.74 mi (374.55 km) |
| Watford to Genappe | 222.35 mi (357.84 km) |
| Watford to Genk | 259.06 mi (416.91 km) |
| Watford to Gent | 182.58 mi (293.83 km) |
