| Southborough to Parma Heights (Ohio) | 3,768.00 mi (6,064.00 km) |
| Southborough to Parole (Maryland) | 3,664.95 mi (5,898.17 km) |
| Southborough to Parsippany (New Jersey) | 3,495.08 mi (5,624.79 km) |
| Southborough to Pasadena (California) | 5,459.65 mi (8,786.45 km) |
| Southborough to Pasadena (Maryland) | 3,657.51 mi (5,886.20 km) |
| Southborough to Pasadena (Texas) | 4,870.35 mi (7,838.08 km) |
| Southborough to Pasadena Hills (Florida) | 4,409.60 mi (7,096.57 km) |
| Southborough to Pascagoula (Mississippi) | 4,567.94 mi (7,351.39 km) |
| Southborough to Pasco (Washington) | 4,803.76 mi (7,730.90 km) |
| Southborough to Passaic (New Jersey) | 3,483.71 mi (5,606.49 km) |
| Southborough to Pataskala (Ohio) | 3,867.85 mi (6,224.70 km) |
| Southborough to Patchogue (New York) | 3,442.24 mi (5,539.74 km) |
| Southborough to Paterson (New Jersey) | 3,482.65 mi (5,604.78 km) |
| Southborough to Patterson (California) | 5,362.80 mi (8,630.59 km) |
| Southborough to Pawtucket (Rhode Island) | 3,327.75 mi (5,355.50 km) |
