| Houghton Regis to Gaeta | 993.26 mi (1,598.50 km) |
| Houghton Regis to Gaggiano | 625.12 mi (1,006.04 km) |
| Houghton Regis to Galatina | 1,202.44 mi (1,935.13 km) |
| Houghton Regis to Galatone | 1,199.82 mi (1,930.92 km) |
| Houghton Regis to Galbiate | 616.07 mi (991.47 km) |
| Houghton Regis to Gallarate | 603.82 mi (971.76 km) |
| Houghton Regis to Galliate | 610.47 mi (982.46 km) |
| Houghton Regis to Gallipoli | 1,202.13 mi (1,934.64 km) |
| Houghton Regis to Gambettola | 799.59 mi (1,286.82 km) |
| Houghton Regis to Gambolo | 627.52 mi (1,009.89 km) |
| Houghton Regis to Garbagnate Milanese | 617.63 mi (993.98 km) |
| Houghton Regis to Gardone Val Trompia | 648.65 mi (1,043.90 km) |
| Houghton Regis to Garlasco | 632.25 mi (1,017.51 km) |
| Houghton Regis to Gassino Torinese | 603.58 mi (971.36 km) |
| Houghton Regis to Gatteo | 802.13 mi (1,290.91 km) |
