| Mason City to South Fulton (Georgia) | 805.67 mi (1,296.59 km) |
| Mason City to South Gate (California) | 1,485.15 mi (2,390.12 km) |
| Mason City to South Hill (Washington) | 1,435.27 mi (2,309.85 km) |
| Mason City to South Holland (Illinois) | 305.08 mi (490.98 km) |
| Mason City to South Houston (Texas) | 938.62 mi (1,510.57 km) |
| Mason City to South Huntington (New York) | 1,027.41 mi (1,653.45 km) |
| Mason City to South Jordan (Utah) | 980.71 mi (1,578.31 km) |
| Mason City to South Lake Tahoe (California) | 1,419.23 mi (2,284.03 km) |
| Mason City to South Laurel (Maryland) | 895.32 mi (1,440.88 km) |
| Mason City to South Lyon (Michigan) | 486.01 mi (782.17 km) |
| Mason City to South Miami (Florida) | 1,407.88 mi (2,265.77 km) |
| Mason City to South Miami Heights (Florida) | 1,412.54 mi (2,273.26 km) |
| Mason City to South Milwaukee (Wisconsin) | 270.00 mi (434.53 km) |
| Mason City to South Ogden (Utah) | 968.29 mi (1,558.31 km) |
| Mason City to South Pasadena (California) | 1,477.29 mi (2,377.47 km) |
