| Mason City to Gonzales (Louisiana) | 902.51 mi (1,452.45 km) |
| Mason City to Gonzalez (Florida) | 927.03 mi (1,491.91 km) |
| Mason City to Goodlettsville (Tennessee) | 583.47 mi (939.00 km) |
| Mason City to Goodyear (Arizona) | 1,239.98 mi (1,995.55 km) |
| Mason City to Goose Creek (South Carolina) | 1,001.38 mi (1,611.56 km) |
| Mason City to Goshen (Indiana) | 391.46 mi (630.00 km) |
| Mason City to Goulds (Florida) | 1,414.15 mi (2,275.86 km) |
| Mason City to Grafton (Wisconsin) | 264.58 mi (425.81 km) |
| Mason City to Graham (North Carolina) | 881.63 mi (1,418.85 km) |
| Mason City to Graham (Washington) | 1,435.13 mi (2,309.62 km) |
| Mason City to Grain Valley (Missouri) | 290.25 mi (467.12 km) |
| Mason City to Granbury (Texas) | 780.02 mi (1,255.32 km) |
| Mason City to Grand Forks (North Dakota) | 379.57 mi (610.86 km) |
| Mason City to Grand Haven (Michigan) | 352.06 mi (566.59 km) |
| Mason City to Grand Island (Nebraska) | 306.12 mi (492.66 km) |
