| Southborough to Pikesville (Maryland) | 3,653.18 mi (5,879.23 km) |
| Southborough to Pine Bluff (Arkansas) | 4,514.35 mi (7,265.14 km) |
| Southborough to Pine Castle (Florida) | 4,364.35 mi (7,023.74 km) |
| Southborough to Pine Hill (New Jersey) | 3,565.24 mi (5,737.70 km) |
| Southborough to Pine Hills (Florida) | 4,362.57 mi (7,020.88 km) |
| Southborough to Pinecrest (Florida) | 4,458.89 mi (7,175.89 km) |
| Southborough to Pinehurst (North Carolina) | 3,959.05 mi (6,371.47 km) |
| Southborough to Pinellas Park (Florida) | 4,450.83 mi (7,162.92 km) |
| Southborough to Pineville (Louisiana) | 4,674.70 mi (7,523.21 km) |
| Southborough to Pineville (North Carolina) | 4,022.83 mi (6,474.11 km) |
| Southborough to Pinewood (Florida) | 4,444.89 mi (7,153.37 km) |
| Southborough to Piney Green (North Carolina) | 3,890.44 mi (6,261.05 km) |
| Southborough to Pinole (California) | 5,366.44 mi (8,636.45 km) |
| Southborough to Piqua (Ohio) | 3,921.96 mi (6,311.78 km) |
| Southborough to Pittsburg (California) | 5,353.56 mi (8,615.72 km) |
