| Letchworth to Pontedera | 762.62 mi (1,227.31 km) |
| Letchworth to Pontinia | 960.85 mi (1,546.33 km) |
| Letchworth to Porcari | 752.31 mi (1,210.73 km) |
| Letchworth to Porcia | 713.89 mi (1,148.90 km) |
| Letchworth to Pordenone | 715.86 mi (1,152.06 km) |
| Letchworth to Portici | 1,033.68 mi (1,663.55 km) |
| Letchworth to Porto Empedocle | 1,214.84 mi (1,955.09 km) |
| Letchworth to Porto Recanati | 872.54 mi (1,404.21 km) |
| Letchworth to Porto Sant'Elpidio | 883.87 mi (1,422.45 km) |
| Letchworth to Porto Tolle | 750.66 mi (1,208.06 km) |
| Letchworth to Porto Torres | 871.31 mi (1,402.24 km) |
| Letchworth to Portoferraio | 800.78 mi (1,288.73 km) |
| Letchworth to Portogruaro | 730.04 mi (1,174.88 km) |
| Letchworth to Portomaggiore | 745.35 mi (1,199.52 km) |
| Letchworth to Potenza | 1,090.69 mi (1,755.29 km) |
