| Houghton Regis to Fuente-Alamo de Murcia | 979.20 mi (1,575.87 km) |
| Houghton Regis to Galapagar | 799.86 mi (1,287.24 km) |
| Houghton Regis to Galdacano | 608.87 mi (979.89 km) |
| Houghton Regis to Gandia | 894.02 mi (1,438.79 km) |
| Houghton Regis to Garrucha | 1,018.99 mi (1,639.91 km) |
| Houghton Regis to Gava | 741.81 mi (1,193.83 km) |
| Houghton Regis to Gelves | 1,041.58 mi (1,676.26 km) |
| Houghton Regis to Getafe | 815.80 mi (1,312.91 km) |
| Houghton Regis to Gibraleon | 1,051.61 mi (1,692.41 km) |
| Houghton Regis to Gijon | 625.99 mi (1,007.44 km) |
| Houghton Regis to Gines | 1,038.70 mi (1,671.63 km) |
| Houghton Regis to Girona | 703.14 mi (1,131.59 km) |
| Houghton Regis to Godella | 855.66 mi (1,377.05 km) |
| Houghton Regis to Gondomar | 778.86 mi (1,253.46 km) |
| Houghton Regis to Grado | 642.12 mi (1,033.39 km) |
