| Mason City to Newport East (Rhode Island) | 1,121.64 mi (1,805.11 km) |
| Mason City to Newport News (Virginia) | 972.86 mi (1,565.67 km) |
| Mason City to Newton (Iowa) | 100.68 mi (162.03 km) |
| Mason City to Newton (Kansas) | 414.65 mi (667.32 km) |
| Mason City to Newton (Massachusetts) | 1,114.16 mi (1,793.07 km) |
| Mason City to Newton (North Carolina) | 820.52 mi (1,320.50 km) |
| Mason City to Niagara Falls (New York) | 714.54 mi (1,149.94 km) |
| Mason City to Niceville (Florida) | 947.10 mi (1,524.21 km) |
| Mason City to Nicholasville (Kentucky) | 580.48 mi (934.20 km) |
| Mason City to Niles (Illinois) | 284.84 mi (458.41 km) |
| Mason City to Niles (Michigan) | 365.54 mi (588.28 km) |
| Mason City to Niles (Ohio) | 650.97 mi (1,047.64 km) |
| Mason City to Nipomo (California) | 1,559.06 mi (2,509.07 km) |
| Mason City to Nixa (Missouri) | 421.73 mi (678.72 km) |
| Mason City to Noblesville (Indiana) | 429.33 mi (690.94 km) |
