| Mason City to Effingham (Illinois) | 368.64 mi (593.27 km) |
| Mason City to Eggertsville (New York) | 725.84 mi (1,168.13 km) |
| Mason City to Egypt Lake-Leto (Florida) | 1,203.47 mi (1,936.79 km) |
| Mason City to El Cajon (California) | 1,470.97 mi (2,367.30 km) |
| Mason City to El Campo (Texas) | 978.68 mi (1,575.04 km) |
| Mason City to El Centro (California) | 1,406.18 mi (2,263.03 km) |
| Mason City to El Cerrito (California) | 1,561.88 mi (2,513.60 km) |
| Mason City to El Dorado (Arkansas) | 686.73 mi (1,105.18 km) |
| Mason City to El Dorado (Kansas) | 415.26 mi (668.29 km) |
| Mason City to El Dorado Hills (California) | 1,479.38 mi (2,380.84 km) |
| Mason City to El Mirage (Arizona) | 1,224.21 mi (1,970.17 km) |
| Mason City to El Monte (California) | 1,472.45 mi (2,369.69 km) |
| Mason City to El Paso (Texas) | 1,063.05 mi (1,710.81 km) |
| Mason City to El Paso de Robles (California) | 1,546.74 mi (2,489.24 km) |
| Mason City to El Reno (Oklahoma) | 583.71 mi (939.39 km) |
