| Houghton Regis to Potenza Picena | 881.21 mi (1,418.17 km) |
| Houghton Regis to Pozzallo | 1,289.10 mi (2,074.61 km) |
| Houghton Regis to Pozzuoli | 1,032.44 mi (1,661.55 km) |
| Houghton Regis to Prato | 770.98 mi (1,240.77 km) |
| Houghton Regis to Preganziol | 724.59 mi (1,166.11 km) |
| Houghton Regis to Priolo Gargallo | 1,273.01 mi (2,048.71 km) |
| Houghton Regis to Priverno | 967.48 mi (1,557.01 km) |
| Houghton Regis to Pulsano | 1,162.85 mi (1,871.42 km) |
| Houghton Regis to Putignano | 1,130.53 mi (1,819.41 km) |
| Houghton Regis to Qualiano | 1,028.18 mi (1,654.69 km) |
| Houghton Regis to Quarrata | 769.14 mi (1,237.80 km) |
| Houghton Regis to Quartu Sant'Elena | 990.94 mi (1,594.76 km) |
| Houghton Regis to Quartucciu | 990.04 mi (1,593.31 km) |
| Houghton Regis to Quattro Castella | 711.21 mi (1,144.58 km) |
| Houghton Regis to Quinto di Treviso | 719.89 mi (1,158.55 km) |
