| Houghton Regis to Oststeinbek | 461.03 mi (741.95 km) |
| Houghton Regis to Ottendorf-Okrilla | 617.71 mi (994.10 km) |
| Houghton Regis to Ottersberg | 414.88 mi (667.68 km) |
| Houghton Regis to Ottobrunn | 602.01 mi (968.83 km) |
| Houghton Regis to Ottweiler | 379.65 mi (610.99 km) |
| Houghton Regis to Overath | 343.30 mi (552.48 km) |
| Houghton Regis to Oyten | 409.09 mi (658.36 km) |
| Houghton Regis to Paderborn | 396.31 mi (637.80 km) |
| Houghton Regis to Papenburg | 342.78 mi (551.65 km) |
| Houghton Regis to Parchim | 527.63 mi (849.13 km) |
| Houghton Regis to Pasewalk | 616.90 mi (992.81 km) |
| Houghton Regis to Passau | 658.33 mi (1,059.49 km) |
| Houghton Regis to Pattensen | 437.29 mi (703.75 km) |
| Houghton Regis to Pegnitz | 546.50 mi (879.51 km) |
| Houghton Regis to Peine | 456.97 mi (735.43 km) |
