| Mason City to Greenfield (California) | 1,554.36 mi (2,501.50 km) |
| Mason City to Greenfield (Indiana) | 448.67 mi (722.06 km) |
| Mason City to Greenfield (Wisconsin) | 262.53 mi (422.49 km) |
| Mason City to Greenlawn (New York) | 1,028.04 mi (1,654.47 km) |
| Mason City to Greensboro (North Carolina) | 860.87 mi (1,385.44 km) |
| Mason City to Greensburg (Indiana) | 477.90 mi (769.11 km) |
| Mason City to Greensburg (Pennsylvania) | 729.95 mi (1,174.74 km) |
| Mason City to Greentree (New Jersey) | 967.68 mi (1,557.33 km) |
| Mason City to Greenville (Mississippi) | 684.53 mi (1,101.64 km) |
| Mason City to Greenville (North Carolina) | 990.86 mi (1,594.64 km) |
| Mason City to Greenville (Ohio) | 490.14 mi (788.80 km) |
| Mason City to Greenville (South Carolina) | 816.29 mi (1,313.69 km) |
| Mason City to Greenville (Texas) | 711.17 mi (1,144.53 km) |
| Mason City to Greenwood (Indiana) | 441.65 mi (710.77 km) |
| Mason City to Greenwood (Mississippi) | 685.23 mi (1,102.77 km) |
