| Houghton Regis to Palencia | 708.53 mi (1,140.26 km) |
| Houghton Regis to Palleja | 733.77 mi (1,180.89 km) |
| Houghton Regis to Palma | 865.84 mi (1,393.43 km) |
| Houghton Regis to Palma del Rio | 1,008.18 mi (1,622.52 km) |
| Houghton Regis to Palomares del Rio | 1,043.11 mi (1,678.73 km) |
| Houghton Regis to Palos de la Frontera | 1,060.34 mi (1,706.45 km) |
| Houghton Regis to Pamplona | 630.05 mi (1,013.97 km) |
| Houghton Regis to Paracuellos de Jarama | 797.23 mi (1,283.01 km) |
| Houghton Regis to Parla | 820.78 mi (1,320.92 km) |
| Houghton Regis to Paterna | 856.84 mi (1,378.95 km) |
| Houghton Regis to Peligros | 1,024.88 mi (1,649.38 km) |
| Houghton Regis to Penarroya-Pueblonuevo | 967.44 mi (1,556.94 km) |
| Houghton Regis to Petrel | 927.67 mi (1,492.94 km) |
| Houghton Regis to Picana | 861.45 mi (1,386.37 km) |
| Houghton Regis to Picasent | 866.63 mi (1,394.70 km) |
