| Mason City to Myrtle Grove (North Carolina) | 1,032.71 mi (1,661.99 km) |
| Mason City to Nacogdoches (Texas) | 800.96 mi (1,289.02 km) |
| Mason City to Nampa (Idaho) | 1,170.07 mi (1,883.05 km) |
| Mason City to Nanakuli (Hawaii) | 3,973.77 mi (6,395.16 km) |
| Mason City to Nanticoke (Pennsylvania) | 889.30 mi (1,431.19 km) |
| Mason City to Nanuet (New York) | 991.09 mi (1,595.00 km) |
| Mason City to Napa (California) | 1,551.94 mi (2,497.61 km) |
| Mason City to Naperville (Illinois) | 274.22 mi (441.32 km) |
| Mason City to Naples (Florida) | 1,338.54 mi (2,154.18 km) |
| Mason City to Naranja (Florida) | 1,415.93 mi (2,278.71 km) |
| Mason City to Nashua (New Hampshire) | 1,095.16 mi (1,762.49 km) |
| Mason City to Nashville (Tennessee) | 590.22 mi (949.87 km) |
| Mason City to Natchez (Mississippi) | 807.93 mi (1,300.24 km) |
| Mason City to Natchitoches (Louisiana) | 788.87 mi (1,269.57 km) |
| Mason City to National City (California) | 1,483.00 mi (2,386.65 km) |
