| Mason City to Miami Lakes (Florida) | 1,394.64 mi (2,244.45 km) |
| Mason City to Miami Shores (Florida) | 1,401.62 mi (2,255.70 km) |
| Mason City to Miami Springs (Florida) | 1,401.24 mi (2,255.08 km) |
| Mason City to Miamisburg (Ohio) | 522.26 mi (840.50 km) |
| Mason City to Michigan City (Indiana) | 337.73 mi (543.52 km) |
| Mason City to Middle Island (New York) | 1,048.75 mi (1,687.80 km) |
| Mason City to Middle River (Maryland) | 908.42 mi (1,461.96 km) |
| Mason City to Middle Valley (Tennessee) | 696.69 mi (1,121.21 km) |
| Mason City to Middleburg (Florida) | 1,098.56 mi (1,767.97 km) |
| Mason City to Middleburg Heights (Ohio) | 594.51 mi (956.77 km) |
| Mason City to Middlesex (New Jersey) | 976.34 mi (1,571.27 km) |
| Mason City to Middleton (Wisconsin) | 186.27 mi (299.78 km) |
| Mason City to Middletown (Connecticut) | 1,052.25 mi (1,693.44 km) |
| Mason City to Middletown (Delaware) | 940.86 mi (1,514.17 km) |
| Mason City to Middletown (New York) | 964.69 mi (1,552.52 km) |
