| Houghton Regis to Yverdon-les-Bains | 478.58 mi (770.19 km) |
| Houghton Regis to Zofingen | 494.84 mi (796.36 km) |
| Houghton Regis to Zollikon | 514.49 mi (827.99 km) |
| Houghton Regis to Zuchwil | 485.98 mi (782.12 km) |
| Houghton Regis to Zug | 520.34 mi (837.41 km) |
| Houghton Regis to Zurich | 511.71 mi (823.52 km) |
| Houghton Regis to Ra's al `Ayn | 2,219.85 mi (3,572.51 km) |
| Houghton Regis to Tall Abyad | 2,180.43 mi (3,509.07 km) |
| Houghton Regis to Acarlar | 1,675.25 mi (2,696.06 km) |
| Houghton Regis to Acigol | 1,912.99 mi (3,078.65 km) |
| Houghton Regis to Acipayam | 1,757.02 mi (2,827.64 km) |
| Houghton Regis to Adakli | 2,132.45 mi (3,431.84 km) |
| Houghton Regis to Adana | 2,016.65 mi (3,245.48 km) |
| Houghton Regis to Adilcevaz | 2,246.50 mi (3,615.39 km) |
| Houghton Regis to Adiyaman | 2,103.98 mi (3,386.03 km) |
