| South Portland to Flemalle-Haute | 3,436.64 mi (5,530.73 km) |
| South Portland to Fleron | 3,445.09 mi (5,544.34 km) |
| South Portland to Fleurus | 3,402.23 mi (5,475.36 km) |
| South Portland to Florennes | 3,411.34 mi (5,490.02 km) |
| South Portland to Fontaine-l'Eveque | 3,395.22 mi (5,464.07 km) |
| South Portland to Forest | 3,385.05 mi (5,447.71 km) |
| South Portland to Frameries | 3,378.10 mi (5,436.53 km) |
| South Portland to Galmaarden | 3,372.23 mi (5,427.08 km) |
| South Portland to Ganshoren | 3,383.32 mi (5,444.93 km) |
| South Portland to Gavere | 3,355.35 mi (5,399.91 km) |
| South Portland to Geel | 3,402.88 mi (5,476.41 km) |
| South Portland to Gembloux | 3,406.08 mi (5,481.55 km) |
| South Portland to Genappe | 3,395.75 mi (5,464.93 km) |
| South Portland to Genk | 3,428.34 mi (5,517.38 km) |
| South Portland to Gent | 3,354.62 mi (5,398.73 km) |
