| Mason City to Garfield (New Jersey) | 990.28 mi (1,593.70 km) |
| Mason City to Garfield Heights (Ohio) | 604.13 mi (972.25 km) |
| Mason City to Garland (Texas) | 731.47 mi (1,177.18 km) |
| Mason City to Garner (North Carolina) | 931.20 mi (1,498.63 km) |
| Mason City to Gary (Indiana) | 317.47 mi (510.92 km) |
| Mason City to Gastonia (North Carolina) | 842.11 mi (1,355.24 km) |
| Mason City to Gatesville (Texas) | 845.82 mi (1,361.22 km) |
| Mason City to Gateway (Florida) | 1,313.26 mi (2,113.50 km) |
| Mason City to Gautier (Mississippi) | 914.93 mi (1,472.44 km) |
| Mason City to Geneva (Illinois) | 263.19 mi (423.57 km) |
| Mason City to Geneva (New York) | 818.34 mi (1,317.00 km) |
| Mason City to Georgetown (Georgia) | 1,010.26 mi (1,625.85 km) |
| Mason City to Georgetown (Kentucky) | 566.22 mi (911.25 km) |
| Mason City to Georgetown (Texas) | 897.17 mi (1,443.85 km) |
| Mason City to Germantown (Maryland) | 871.56 mi (1,402.65 km) |
