| Boston to Portage (Michigan) | 3,813.83 mi (6,137.76 km) |
| Boston to Portage (Wisconsin) | 3,892.63 mi (6,264.58 km) |
| Boston to Portales (New Mexico) | 4,872.13 mi (7,840.94 km) |
| Boston to Porterville (California) | 5,283.77 mi (8,503.40 km) |
| Boston to Portland (Maine) | 3,157.02 mi (5,080.73 km) |
| Boston to Portland (Oregon) | 4,835.07 mi (7,781.29 km) |
| Boston to Portland (Tennessee) | 4,120.82 mi (6,631.82 km) |
| Boston to Portland (Texas) | 4,988.01 mi (8,027.43 km) |
| Boston to Portsmouth (New Hampshire) | 3,203.57 mi (5,155.64 km) |
| Boston to Portsmouth (Ohio) | 3,876.77 mi (6,239.07 km) |
| Boston to Portsmouth (Virginia) | 3,707.31 mi (5,966.35 km) |
| Boston to Post Falls (Idaho) | 4,557.71 mi (7,334.93 km) |
| Boston to Potomac (Maryland) | 3,638.90 mi (5,856.25 km) |
| Boston to Potomac Park (California) | 5,322.39 mi (8,565.56 km) |
| Boston to Pottstown (Pennsylvania) | 3,520.46 mi (5,665.64 km) |
