| Mason City to Nocatee (Florida) | 1,111.65 mi (1,789.02 km) |
| Mason City to Nogales (Arizona) | 1,265.83 mi (2,037.15 km) |
| Mason City to Nolensville (Tennessee) | 606.05 mi (975.34 km) |
| Mason City to Norco (California) | 1,454.96 mi (2,341.53 km) |
| Mason City to Norcross (Georgia) | 799.71 mi (1,287.01 km) |
| Mason City to Norfolk (Nebraska) | 228.16 mi (367.19 km) |
| Mason City to Norfolk (Virginia) | 992.61 mi (1,597.46 km) |
| Mason City to Normal (Illinois) | 282.68 mi (454.93 km) |
| Mason City to Norman (Oklahoma) | 590.06 mi (949.61 km) |
| Mason City to Norridge (Illinois) | 285.57 mi (459.58 km) |
| Mason City to Norristown (Pennsylvania) | 943.71 mi (1,518.75 km) |
| Mason City to North Adams (Massachusetts) | 1,014.28 mi (1,632.33 km) |
| Mason City to North Amityville (New York) | 1,028.70 mi (1,655.53 km) |
| Mason City to North Arlington (New Jersey) | 991.04 mi (1,594.92 km) |
| Mason City to North Auburn (California) | 1,474.81 mi (2,373.47 km) |
