| Houghton Regis to Oschatz | 585.64 mi (942.49 km) |
| Houghton Regis to Oschersleben | 500.83 mi (806.01 km) |
| Houghton Regis to Osnabruck | 364.72 mi (586.95 km) |
| Houghton Regis to Ostbevern | 356.22 mi (573.28 km) |
| Houghton Regis to Osterburg | 521.72 mi (839.64 km) |
| Houghton Regis to Ostercappeln | 372.54 mi (599.54 km) |
| Houghton Regis to Osterhofen | 636.22 mi (1,023.89 km) |
| Houghton Regis to Osterholz-Scharmbeck | 401.72 mi (646.51 km) |
| Houghton Regis to Osternienburg | 534.64 mi (860.41 km) |
| Houghton Regis to Osterode | 460.05 mi (740.37 km) |
| Houghton Regis to Osterwieck | 478.42 mi (769.94 km) |
| Houghton Regis to Ostfildern | 483.15 mi (777.55 km) |
| Houghton Regis to Osthofen | 414.96 mi (667.81 km) |
| Houghton Regis to Ostrhauderfehn | 352.25 mi (566.89 km) |
| Houghton Regis to Ostringen | 445.36 mi (716.73 km) |
