| Mason City to Naugatuck (Connecticut) | 1,033.16 mi (1,662.71 km) |
| Mason City to Navarre (Florida) | 945.66 mi (1,521.90 km) |
| Mason City to Nederland (Texas) | 911.59 mi (1,467.06 km) |
| Mason City to Neenah (Wisconsin) | 246.31 mi (396.39 km) |
| Mason City to Neosho (Missouri) | 440.04 mi (708.18 km) |
| Mason City to Nesconset (New York) | 1,039.05 mi (1,672.18 km) |
| Mason City to New Albany (Indiana) | 510.50 mi (821.57 km) |
| Mason City to New Albany (Ohio) | 577.74 mi (929.78 km) |
| Mason City to New Baltimore (Michigan) | 529.85 mi (852.71 km) |
| Mason City to New Baltimore (Virginia) | 861.75 mi (1,386.85 km) |
| Mason City to New Bedford (Massachusetts) | 1,136.65 mi (1,829.27 km) |
| Mason City to New Berlin (Wisconsin) | 256.22 mi (412.35 km) |
| Mason City to New Bern (North Carolina) | 1,025.32 mi (1,650.09 km) |
| Mason City to New Braunfels (Texas) | 968.12 mi (1,558.05 km) |
| Mason City to New Brighton (Minnesota) | 132.46 mi (213.17 km) |
