| Castlebar to Flemalle-Haute | 662.55 mi (1,066.28 km) |
| Castlebar to Fleron | 670.82 mi (1,079.58 km) |
| Castlebar to Fleurus | 629.58 mi (1,013.21 km) |
| Castlebar to Florennes | 639.80 mi (1,029.65 km) |
| Castlebar to Fontaine-l'Eveque | 623.23 mi (1,003.00 km) |
| Castlebar to Forest | 611.30 mi (983.79 km) |
| Castlebar to Frameries | 606.92 mi (976.74 km) |
| Castlebar to Galmaarden | 599.11 mi (964.18 km) |
| Castlebar to Ganshoren | 609.40 mi (980.74 km) |
| Castlebar to Gavere | 581.82 mi (936.35 km) |
| Castlebar to Geel | 628.13 mi (1,010.88 km) |
| Castlebar to Gembloux | 632.86 mi (1,018.49 km) |
| Castlebar to Genappe | 622.68 mi (1,002.10 km) |
| Castlebar to Genk | 653.63 mi (1,051.91 km) |
| Castlebar to Gent | 580.62 mi (934.42 km) |
