| Mason City to Greenwood (South Carolina) | 857.45 mi (1,379.93 km) |
| Mason City to Greenwood Village (Colorado) | 653.76 mi (1,052.12 km) |
| Mason City to Greer (South Carolina) | 816.40 mi (1,313.87 km) |
| Mason City to Grenada (Mississippi) | 672.47 mi (1,082.24 km) |
| Mason City to Gresham (Oregon) | 1,446.39 mi (2,327.73 km) |
| Mason City to Gretna (Louisiana) | 931.05 mi (1,498.39 km) |
| Mason City to Griffin (Georgia) | 837.59 mi (1,347.97 km) |
| Mason City to Griffith (Indiana) | 315.45 mi (507.66 km) |
| Mason City to Grimes (Iowa) | 106.06 mi (170.68 km) |
| Mason City to Grosse Pointe Park (Michigan) | 523.37 mi (842.28 km) |
| Mason City to Grosse Pointe Woods (Michigan) | 524.26 mi (843.71 km) |
| Mason City to Grove City (Ohio) | 570.67 mi (918.41 km) |
| Mason City to Groveland (Florida) | 1,186.83 mi (1,910.02 km) |
| Mason City to Grover Beach (California) | 1,562.06 mi (2,513.90 km) |
| Mason City to Groves (Texas) | 913.10 mi (1,469.49 km) |
