| Mason City to North Tustin (California) | 1,472.84 mi (2,370.30 km) |
| Mason City to North Valley (New Mexico) | 904.07 mi (1,454.95 km) |
| Mason City to North Valley Stream (New York) | 1,014.12 mi (1,632.07 km) |
| Mason City to North Wantagh (New York) | 1,023.87 mi (1,647.77 km) |
| Mason City to Northampton (Massachusetts) | 1,040.53 mi (1,674.57 km) |
| Mason City to Northampton (Pennsylvania) | 924.41 mi (1,487.69 km) |
| Mason City to Northbrook (Illinois) | 281.56 mi (453.13 km) |
| Mason City to Northbrook (Ohio) | 522.59 mi (841.03 km) |
| Mason City to Northdale (Florida) | 1,197.48 mi (1,927.16 km) |
| Mason City to Northfield (Minnesota) | 90.27 mi (145.27 km) |
| Mason City to Northglenn (Colorado) | 648.31 mi (1,043.36 km) |
| Mason City to Northlake (Illinois) | 282.67 mi (454.92 km) |
| Mason City to Northport (Alabama) | 747.48 mi (1,202.95 km) |
| Mason City to Northview (Michigan) | 383.28 mi (616.84 km) |
| Mason City to Norton (Ohio) | 609.68 mi (981.19 km) |
