| Mason City to Pell City (Alabama) | 760.87 mi (1,224.50 km) |
| Mason City to Pella (Iowa) | 121.32 mi (195.24 km) |
| Mason City to Pembroke Pines (Florida) | 1,388.04 mi (2,233.83 km) |
| Mason City to Pendleton (Oregon) | 1,270.94 mi (2,045.38 km) |
| Mason City to Pensacola (Florida) | 938.16 mi (1,509.82 km) |
| Mason City to Peoria (Arizona) | 1,214.69 mi (1,954.85 km) |
| Mason City to Peoria (Illinois) | 247.64 mi (398.53 km) |
| Mason City to Perris (California) | 1,444.47 mi (2,324.65 km) |
| Mason City to Perry (Georgia) | 899.49 mi (1,447.59 km) |
| Mason City to Perry Hall (Maryland) | 904.17 mi (1,455.12 km) |
| Mason City to Perrysburg (Ohio) | 500.36 mi (805.25 km) |
| Mason City to Perth Amboy (New Jersey) | 988.92 mi (1,591.51 km) |
| Mason City to Peru (Indiana) | 401.39 mi (645.97 km) |
| Mason City to Petal (Mississippi) | 843.73 mi (1,357.86 km) |
| Mason City to Petaluma (California) | 1,569.76 mi (2,526.28 km) |
