| Houghton Regis to Ascoli Piceno | 906.49 mi (1,458.86 km) |
| Houghton Regis to Asola | 679.71 mi (1,093.89 km) |
| Houghton Regis to Asolo | 703.99 mi (1,132.96 km) |
| Houghton Regis to Assemini | 984.20 mi (1,583.91 km) |
| Houghton Regis to Assisi | 862.69 mi (1,388.36 km) |
| Houghton Regis to Asti | 627.27 mi (1,009.50 km) |
| Houghton Regis to Atessa | 976.32 mi (1,571.23 km) |
| Houghton Regis to Atri | 933.75 mi (1,502.72 km) |
| Houghton Regis to Atripalda | 1,049.91 mi (1,689.66 km) |
| Houghton Regis to Augusta | 1,269.10 mi (2,042.42 km) |
| Houghton Regis to Aulla | 717.49 mi (1,154.69 km) |
| Houghton Regis to Aurisina | 774.77 mi (1,246.87 km) |
| Houghton Regis to Avellino | 1,048.71 mi (1,687.74 km) |
| Houghton Regis to Aversa | 1,027.03 mi (1,652.85 km) |
| Houghton Regis to Avezzano | 944.41 mi (1,519.88 km) |
