| Mason City to Elyria (Ohio) | 579.87 mi (933.21 km) |
| Mason City to Emeryville (California) | 1,563.58 mi (2,516.34 km) |
| Mason City to Emmaus (Pennsylvania) | 927.05 mi (1,491.94 km) |
| Mason City to Emporia (Kansas) | 363.33 mi (584.72 km) |
| Mason City to Encinitas (California) | 1,475.20 mi (2,374.11 km) |
| Mason City to Endicott (New York) | 872.68 mi (1,404.44 km) |
| Mason City to Endwell (New York) | 874.54 mi (1,407.43 km) |
| Mason City to Englewood (Colorado) | 656.71 mi (1,056.87 km) |
| Mason City to Englewood (Florida) | 1,272.43 mi (2,047.77 km) |
| Mason City to Englewood (New Jersey) | 996.84 mi (1,604.26 km) |
| Mason City to Englewood (Ohio) | 512.68 mi (825.07 km) |
| Mason City to Enid (Oklahoma) | 527.53 mi (848.98 km) |
| Mason City to Ennis (Texas) | 770.82 mi (1,240.51 km) |
| Mason City to Ensley (Florida) | 931.04 mi (1,498.37 km) |
| Mason City to Enterprise (Alabama) | 910.52 mi (1,465.34 km) |
