| Gloucester to Piazza Armerina | 1,285.33 mi (2,068.54 km) |
| Gloucester to Piazzola sul Brenta | 772.28 mi (1,242.87 km) |
| Gloucester to Pietrasanta | 793.34 mi (1,276.76 km) |
| Gloucester to Pieve di Soligo | 772.31 mi (1,242.91 km) |
| Gloucester to Pinerolo | 651.27 mi (1,048.12 km) |
| Gloucester to Pioltello | 685.84 mi (1,103.75 km) |
| Gloucester to Piombino | 856.19 mi (1,377.90 km) |
| Gloucester to Piombino Dese | 777.74 mi (1,251.65 km) |
| Gloucester to Piossasco | 649.82 mi (1,045.78 km) |
| Gloucester to Piove di Sacco | 792.77 mi (1,275.83 km) |
| Gloucester to Pisa | 811.15 mi (1,305.41 km) |
| Gloucester to Pisticci | 1,193.33 mi (1,920.48 km) |
| Gloucester to Pistoia | 817.50 mi (1,315.63 km) |
| Gloucester to Pizzo | 1,267.29 mi (2,039.51 km) |
| Gloucester to Podenzano | 724.69 mi (1,166.28 km) |
