| Houghton Regis to Accokeek (Maryland) | 3,649.08 mi (5,872.62 km) |
| Houghton Regis to Acworth (Georgia) | 4,178.23 mi (6,724.22 km) |
| Houghton Regis to Ada (Oklahoma) | 4,612.96 mi (7,423.84 km) |
| Houghton Regis to Addison (Illinois) | 3,931.70 mi (6,327.46 km) |
| Houghton Regis to Addison (Texas) | 4,712.70 mi (7,584.36 km) |
| Houghton Regis to Adelanto (California) | 5,353.57 mi (8,615.74 km) |
| Houghton Regis to Adelphi (Maryland) | 3,632.71 mi (5,846.28 km) |
| Houghton Regis to Adrian (Michigan) | 3,781.67 mi (6,086.01 km) |
| Houghton Regis to Affton (Missouri) | 4,181.57 mi (6,729.58 km) |
| Houghton Regis to Agoura Hills (California) | 5,420.36 mi (8,723.22 km) |
| Houghton Regis to Aguadilla (Puerto Rico) | 4,231.51 mi (6,809.96 km) |
| Houghton Regis to Aiken (South Carolina) | 4,084.20 mi (6,572.89 km) |
| Houghton Regis to Akron (Ohio) | 3,720.65 mi (5,987.80 km) |
| Houghton Regis to Alabaster (Alabama) | 4,306.15 mi (6,930.08 km) |
| Houghton Regis to Alachua (Florida) | 4,300.42 mi (6,920.86 km) |
