| Castleford to Grottaferrata | 1,046.68 mi (1,684.46 km) |
| Castleford to Grottaglie | 1,261.21 mi (2,029.72 km) |
| Castleford to Grottammare | 1,014.53 mi (1,632.73 km) |
| Castleford to Grugliasco | 718.81 mi (1,156.82 km) |
| Castleford to Grumo Appula | 1,211.35 mi (1,949.48 km) |
| Castleford to Grumo Nevano | 1,141.72 mi (1,837.42 km) |
| Castleford to Gualdo Tadino | 968.09 mi (1,557.99 km) |
| Castleford to Guardiagrele | 1,068.79 mi (1,720.06 km) |
| Castleford to Guastalla | 811.99 mi (1,306.77 km) |
| Castleford to Gubbio | 955.12 mi (1,537.12 km) |
| Castleford to Guspini | 1,086.10 mi (1,747.92 km) |
| Castleford to Gussago | 759.27 mi (1,221.93 km) |
| Castleford to Iesi | 966.05 mi (1,554.72 km) |
| Castleford to Iesolo | 841.29 mi (1,353.93 km) |
| Castleford to Iglesias | 1,097.98 mi (1,767.02 km) |
