| Middle River to Parma Heights (Ohio) | 314.41 mi (506.00 km) |
| Middle River to Parole (Maryland) | 25.60 mi (41.20 km) |
| Middle River to Parsippany (New Jersey) | 149.48 mi (240.56 km) |
| Middle River to Pasadena (California) | 2,316.15 mi (3,727.49 km) |
| Middle River to Pasadena (Maryland) | 14.72 mi (23.69 km) |
| Middle River to Pasadena (Texas) | 1,254.92 mi (2,019.61 km) |
| Middle River to Pasadena Hills (Florida) | 833.06 mi (1,340.67 km) |
| Middle River to Pascagoula (Mississippi) | 924.33 mi (1,487.56 km) |
| Middle River to Pasco (Washington) | 2,189.23 mi (3,523.23 km) |
| Middle River to Passaic (New Jersey) | 160.23 mi (257.87 km) |
| Middle River to Pataskala (Ohio) | 337.59 mi (543.30 km) |
| Middle River to Patchogue (New York) | 205.09 mi (330.05 km) |
| Middle River to Paterson (New Jersey) | 161.47 mi (259.85 km) |
| Middle River to Patterson (California) | 2,400.21 mi (3,862.76 km) |
| Middle River to Pawtucket (Rhode Island) | 317.36 mi (510.74 km) |
