| Houghton Regis to Aberaman | 125.06 mi (201.27 km) |
| Houghton Regis to Aberbargoed | 116.21 mi (187.02 km) |
| Houghton Regis to Aberdare | 125.44 mi (201.88 km) |
| Houghton Regis to Aberdeen | 367.97 mi (592.20 km) |
| Houghton Regis to Abergavenny | 106.46 mi (171.34 km) |
| Houghton Regis to Abergele | 159.62 mi (256.88 km) |
| Houghton Regis to Abertawe | 147.81 mi (237.87 km) |
| Houghton Regis to Abertillery | 111.92 mi (180.11 km) |
| Houghton Regis to Aberystwyth | 154.79 mi (249.11 km) |
| Houghton Regis to Abingdon | 36.31 mi (58.43 km) |
| Houghton Regis to Abram | 140.50 mi (226.12 km) |
| Houghton Regis to Accrington | 149.07 mi (239.90 km) |
| Houghton Regis to Acomb | 143.91 mi (231.60 km) |
| Houghton Regis to Acton | 29.08 mi (46.81 km) |
| Houghton Regis to Addlestone | 36.95 mi (59.47 km) |
