| Greenford to Pontedera | 744.96 mi (1,198.89 km) |
| Greenford to Pontinia | 943.26 mi (1,518.02 km) |
| Greenford to Porcari | 734.90 mi (1,182.71 km) |
| Greenford to Porcia | 703.18 mi (1,131.66 km) |
| Greenford to Pordenone | 705.15 mi (1,134.84 km) |
| Greenford to Portici | 1,016.87 mi (1,636.50 km) |
| Greenford to Porto Empedocle | 1,194.12 mi (1,921.75 km) |
| Greenford to Porto Recanati | 858.38 mi (1,381.43 km) |
| Greenford to Porto Sant'Elpidio | 869.56 mi (1,399.42 km) |
| Greenford to Porto Tolle | 737.45 mi (1,186.80 km) |
| Greenford to Porto Torres | 847.77 mi (1,364.35 km) |
| Greenford to Portoferraio | 781.54 mi (1,257.77 km) |
| Greenford to Portogruaro | 719.20 mi (1,157.44 km) |
| Greenford to Portomaggiore | 730.99 mi (1,176.41 km) |
| Greenford to Potenza | 1,075.22 mi (1,730.39 km) |
