| Mason City to Parma Heights (Ohio) | 596.75 mi (960.38 km) |
| Mason City to Parole (Maryland) | 911.82 mi (1,467.42 km) |
| Mason City to Parsippany (New Jersey) | 975.19 mi (1,569.42 km) |
| Mason City to Pasadena (California) | 1,474.58 mi (2,373.11 km) |
| Mason City to Pasadena (Maryland) | 907.09 mi (1,459.82 km) |
| Mason City to Pasadena (Texas) | 938.36 mi (1,510.15 km) |
| Mason City to Pasadena Hills (Florida) | 1,194.38 mi (1,922.17 km) |
| Mason City to Pascagoula (Mississippi) | 919.48 mi (1,479.76 km) |
| Mason City to Pasco (Washington) | 1,285.46 mi (2,068.75 km) |
| Mason City to Passaic (New Jersey) | 989.69 mi (1,592.75 km) |
| Mason City to Pataskala (Ohio) | 583.10 mi (938.41 km) |
| Mason City to Patchogue (New York) | 1,047.35 mi (1,685.55 km) |
| Mason City to Paterson (New Jersey) | 986.91 mi (1,588.29 km) |
| Mason City to Patterson (California) | 1,516.21 mi (2,440.10 km) |
| Mason City to Pawtucket (Rhode Island) | 1,111.92 mi (1,789.46 km) |
