| Gloucester to Pontedera | 821.69 mi (1,322.38 km) |
| Gloucester to Pontinia | 1,019.79 mi (1,641.20 km) |
| Gloucester to Porcari | 811.97 mi (1,306.74 km) |
| Gloucester to Porcia | 786.09 mi (1,265.10 km) |
| Gloucester to Pordenone | 788.07 mi (1,268.27 km) |
| Gloucester to Portici | 1,094.33 mi (1,761.16 km) |
| Gloucester to Porto Empedocle | 1,265.40 mi (2,036.47 km) |
| Gloucester to Porto Recanati | 938.78 mi (1,510.82 km) |
| Gloucester to Porto Sant'Elpidio | 949.81 mi (1,528.58 km) |
| Gloucester to Porto Tolle | 818.74 mi (1,317.63 km) |
| Gloucester to Porto Torres | 913.50 mi (1,470.14 km) |
| Gloucester to Portoferraio | 855.96 mi (1,377.53 km) |
| Gloucester to Portogruaro | 802.03 mi (1,290.74 km) |
| Gloucester to Portomaggiore | 811.34 mi (1,305.72 km) |
| Gloucester to Potenza | 1,154.16 mi (1,857.44 km) |
