| Boston to Pontedera | 806.62 mi (1,298.13 km) |
| Boston to Pontinia | 1,004.14 mi (1,616.00 km) |
| Boston to Porcari | 795.86 mi (1,280.82 km) |
| Boston to Porcia | 744.04 mi (1,197.42 km) |
| Boston to Pordenone | 745.99 mi (1,200.55 km) |
| Boston to Portici | 1,075.22 mi (1,730.40 km) |
| Boston to Porto Empedocle | 1,264.01 mi (2,034.23 km) |
| Boston to Porto Recanati | 909.08 mi (1,463.03 km) |
| Boston to Porto Sant'Elpidio | 920.69 mi (1,481.71 km) |
| Boston to Porto Tolle | 785.75 mi (1,264.54 km) |
| Boston to Porto Torres | 926.58 mi (1,491.18 km) |
| Boston to Portoferraio | 847.78 mi (1,364.38 km) |
| Boston to Portogruaro | 760.38 mi (1,223.71 km) |
| Boston to Portomaggiore | 782.80 mi (1,259.80 km) |
| Boston to Potenza | 1,129.37 mi (1,817.55 km) |
