| Houghton Regis to Droylsden | 128.76 mi (207.21 km) |
| Houghton Regis to Dudley | 78.29 mi (125.99 km) |
| Houghton Regis to Dukinfield | 126.58 mi (203.72 km) |
| Houghton Regis to Dumbarton | 324.21 mi (521.76 km) |
| Houghton Regis to Dumfries | 252.67 mi (406.63 km) |
| Houghton Regis to Dunbar | 294.52 mi (473.99 km) |
| Houghton Regis to Dunblane | 326.94 mi (526.16 km) |
| Houghton Regis to Dundee | 330.04 mi (531.15 km) |
| Houghton Regis to Dunfermline | 311.30 mi (500.99 km) |
| Houghton Regis to Dunstable | 1.25 mi (2.01 km) |
| Houghton Regis to Durham | 203.10 mi (326.86 km) |
| Houghton Regis to Ealing | 28.40 mi (45.70 km) |
| Houghton Regis to Earlestown | 139.05 mi (223.78 km) |
| Houghton Regis to Earley | 36.94 mi (59.45 km) |
| Houghton Regis to East Barnet | 23.75 mi (38.22 km) |
