| Mason City to Pottsville (Pennsylvania) | 888.44 mi (1,429.81 km) |
| Mason City to Poughkeepsie (New York) | 986.21 mi (1,587.15 km) |
| Mason City to Poulsbo (Washington) | 1,452.61 mi (2,337.76 km) |
| Mason City to Poway (California) | 1,466.31 mi (2,359.79 km) |
| Mason City to Powder Springs (Georgia) | 788.58 mi (1,269.10 km) |
| Mason City to Powell (Ohio) | 560.89 mi (902.67 km) |
| Mason City to Powell (Tennessee) | 691.93 mi (1,113.56 km) |
| Mason City to Prairie Ridge (Washington) | 1,428.49 mi (2,298.93 km) |
| Mason City to Prairie Village (Kansas) | 297.08 mi (478.11 km) |
| Mason City to Prairieville (Louisiana) | 895.27 mi (1,440.80 km) |
| Mason City to Prattville (Alabama) | 824.47 mi (1,326.86 km) |
| Mason City to Preakness (New Jersey) | 983.37 mi (1,582.59 km) |
| Mason City to Prescott (Arizona) | 1,188.44 mi (1,912.61 km) |
| Mason City to Prescott Valley (Arizona) | 1,181.96 mi (1,902.18 km) |
| Mason City to Prichard (Alabama) | 899.22 mi (1,447.15 km) |
