| Mason City to East Providence (Rhode Island) | 1,113.79 mi (1,792.48 km) |
| Mason City to East Rancho Dominguez (California) | 1,487.16 mi (2,393.35 km) |
| Mason City to East Renton Highlands (Washington) | 1,426.26 mi (2,295.35 km) |
| Mason City to East Ridge (Tennessee) | 706.39 mi (1,136.83 km) |
| Mason City to East Riverdale (Maryland) | 894.92 mi (1,440.23 km) |
| Mason City to East San Gabriel (California) | 1,473.32 mi (2,371.07 km) |
| Mason City to East St. Louis (Illinois) | 351.80 mi (566.17 km) |
| Mason City to East Wenatchee (Washington) | 1,341.92 mi (2,159.62 km) |
| Mason City to Eastern Goleta Valley (California) | 1,544.47 mi (2,485.59 km) |
| Mason City to Eastlake (Ohio) | 608.61 mi (979.46 km) |
| Mason City to Eastmont (Washington) | 1,431.72 mi (2,304.13 km) |
| Mason City to Easton (Maryland) | 941.39 mi (1,515.02 km) |
| Mason City to Easton (Pennsylvania) | 937.97 mi (1,509.51 km) |
| Mason City to Eastpointe (Michigan) | 521.56 mi (839.37 km) |
| Mason City to Eastvale (California) | 1,455.05 mi (2,341.67 km) |
