| Houghton Regis to Penne | 938.45 mi (1,510.28 km) |
| Houghton Regis to Pergine Valsugana | 667.16 mi (1,073.70 km) |
| Houghton Regis to Perugia | 853.31 mi (1,373.27 km) |
| Houghton Regis to Pesaro | 828.98 mi (1,334.11 km) |
| Houghton Regis to Pescantina | 681.79 mi (1,097.23 km) |
| Houghton Regis to Pescara | 947.69 mi (1,525.16 km) |
| Houghton Regis to Peschiera del Garda | 677.86 mi (1,090.91 km) |
| Houghton Regis to Pescia | 756.97 mi (1,218.22 km) |
| Houghton Regis to Petilia Policastro | 1,211.68 mi (1,950.01 km) |
| Houghton Regis to Piacenza | 664.83 mi (1,069.94 km) |
| Houghton Regis to Pianella | 945.51 mi (1,521.65 km) |
| Houghton Regis to Pianezza | 596.77 mi (960.41 km) |
| Houghton Regis to Pianiga | 723.04 mi (1,163.62 km) |
| Houghton Regis to Piano di Sorrento | 1,052.03 mi (1,693.08 km) |
| Houghton Regis to Pianoro | 752.50 mi (1,211.03 km) |
