| Mason City to Princeton (Florida) | 1,415.23 mi (2,277.59 km) |
| Mason City to Princeton (New Jersey) | 972.32 mi (1,564.80 km) |
| Mason City to Princeton (Texas) | 711.76 mi (1,145.47 km) |
| Mason City to Princeton Meadows (New Jersey) | 978.00 mi (1,573.94 km) |
| Mason City to Prineville (Oregon) | 1,376.91 mi (2,215.93 km) |
| Mason City to Prior Lake (Minnesota) | 109.55 mi (176.30 km) |
| Mason City to Progress (Pennsylvania) | 865.01 mi (1,392.11 km) |
| Mason City to Prospect Heights (Illinois) | 277.56 mi (446.70 km) |
| Mason City to Prosper (Texas) | 711.97 mi (1,145.80 km) |
| Mason City to Providence (Rhode Island) | 1,110.42 mi (1,787.05 km) |
| Mason City to Provo (Utah) | 970.41 mi (1,561.72 km) |
| Mason City to Prunedale (California) | 1,560.53 mi (2,511.42 km) |
| Mason City to Pueblo (Colorado) | 685.31 mi (1,102.90 km) |
| Mason City to Pueblo West (Colorado) | 687.61 mi (1,106.60 km) |
| Mason City to Pullman (Washington) | 1,193.14 mi (1,920.17 km) |
