| Mason City to Mankato (Minnesota) | 80.65 mi (129.79 km) |
| Mason City to Manor (Texas) | 915.35 mi (1,473.11 km) |
| Mason City to Manorville (New York) | 1,057.02 mi (1,701.11 km) |
| Mason City to Mansfield (Ohio) | 572.07 mi (920.65 km) |
| Mason City to Mansfield (Texas) | 761.40 mi (1,225.36 km) |
| Mason City to Manteca (California) | 1,511.17 mi (2,431.99 km) |
| Mason City to Manville (New Jersey) | 972.56 mi (1,565.18 km) |
| Mason City to Maple Grove (Minnesota) | 136.06 mi (218.97 km) |
| Mason City to Maple Heights (Ohio) | 606.38 mi (975.88 km) |
| Mason City to Maple Valley (Washington) | 1,423.83 mi (2,291.43 km) |
| Mason City to Mapleton (Utah) | 969.57 mi (1,560.37 km) |
| Mason City to Maplewood (Minnesota) | 127.12 mi (204.58 km) |
| Mason City to Marana (Arizona) | 1,224.04 mi (1,969.90 km) |
| Mason City to Marco Island (Florida) | 1,354.62 mi (2,180.04 km) |
| Mason City to Margate (Florida) | 1,377.57 mi (2,216.99 km) |
