| Castelo Branco to Flemalle-Haute | 973.53 mi (1,566.75 km) |
| Castelo Branco to Fleron | 981.16 mi (1,579.03 km) |
| Castelo Branco to Fleurus | 939.32 mi (1,511.69 km) |
| Castelo Branco to Florennes | 929.83 mi (1,496.41 km) |
| Castelo Branco to Fontaine-l'Eveque | 929.48 mi (1,495.85 km) |
| Castelo Branco to Forest | 950.06 mi (1,528.98 km) |
| Castelo Branco to Frameries | 916.53 mi (1,475.01 km) |
| Castelo Branco to Galmaarden | 936.50 mi (1,507.16 km) |
| Castelo Branco to Ganshoren | 952.61 mi (1,533.08 km) |
| Castelo Branco to Gavere | 937.79 mi (1,509.23 km) |
| Castelo Branco to Geel | 987.86 mi (1,589.81 km) |
| Castelo Branco to Gembloux | 948.03 mi (1,525.71 km) |
| Castelo Branco to Genappe | 942.77 mi (1,517.25 km) |
| Castelo Branco to Genk | 992.70 mi (1,597.60 km) |
| Castelo Branco to Gent | 945.84 mi (1,522.19 km) |
