| Houghton Regis to Pandino | 641.87 mi (1,032.99 km) |
| Houghton Regis to Paola | 1,173.63 mi (1,888.78 km) |
| Houghton Regis to Parabiago | 614.34 mi (988.68 km) |
| Houghton Regis to Parabita | 1,207.33 mi (1,943.02 km) |
| Houghton Regis to Parma | 697.99 mi (1,123.30 km) |
| Houghton Regis to Partanna | 1,175.47 mi (1,891.73 km) |
| Houghton Regis to Partinico | 1,162.35 mi (1,870.62 km) |
| Houghton Regis to Pasian di Prato | 740.45 mi (1,191.64 km) |
| Houghton Regis to Paterno | 1,241.33 mi (1,997.72 km) |
| Houghton Regis to Patti | 1,209.95 mi (1,947.23 km) |
| Houghton Regis to Paullo | 636.16 mi (1,023.80 km) |
| Houghton Regis to Pavia | 640.46 mi (1,030.72 km) |
| Houghton Regis to Pavullo nel Frignano | 738.73 mi (1,188.88 km) |
| Houghton Regis to Pedara | 1,243.28 mi (2,000.87 km) |
| Houghton Regis to Pellezzano | 1,057.94 mi (1,702.59 km) |
