| Mason City to North Augusta (South Carolina) | 900.50 mi (1,449.22 km) |
| Mason City to North Aurora (Illinois) | 264.27 mi (425.30 km) |
| Mason City to North Babylon (New York) | 1,032.50 mi (1,661.65 km) |
| Mason City to North Bay Shore (New York) | 1,035.14 mi (1,665.89 km) |
| Mason City to North Bellmore (New York) | 1,022.49 mi (1,645.55 km) |
| Mason City to North Bellport (New York) | 1,050.56 mi (1,690.71 km) |
| Mason City to North Bend (Oregon) | 1,552.22 mi (2,498.06 km) |
| Mason City to North Bethesda (Maryland) | 882.47 mi (1,420.20 km) |
| Mason City to North Branch (Minnesota) | 163.83 mi (263.67 km) |
| Mason City to North Canton (Ohio) | 625.36 mi (1,006.42 km) |
| Mason City to North Charleston (South Carolina) | 1,003.26 mi (1,614.59 km) |
| Mason City to North Chicago (Illinois) | 276.99 mi (445.77 km) |
| Mason City to North Decatur (Georgia) | 804.49 mi (1,294.70 km) |
| Mason City to North Druid Hills (Georgia) | 802.68 mi (1,291.79 km) |
| Mason City to North Fair Oaks (California) | 1,568.94 mi (2,524.96 km) |
