| Mason City to West St. Paul (Minnesota) | 121.26 mi (195.15 km) |
| Mason City to West University Place (Texas) | 936.29 mi (1,506.81 km) |
| Mason City to West Valley City (Utah) | 979.84 mi (1,576.91 km) |
| Mason City to West Whittier-Los Nietos (California) | 1,478.02 mi (2,378.65 km) |
| Mason City to Westbrook (Maine) | 1,143.47 mi (1,840.23 km) |
| Mason City to Westbury (New York) | 1,018.65 mi (1,639.36 km) |
| Mason City to Westchase (Florida) | 1,197.99 mi (1,927.98 km) |
| Mason City to Westchester (Florida) | 1,403.83 mi (2,259.24 km) |
| Mason City to Westchester (Illinois) | 284.91 mi (458.52 km) |
| Mason City to Western Springs (Illinois) | 285.56 mi (459.56 km) |
| Mason City to Westerville (Ohio) | 569.95 mi (917.25 km) |
| Mason City to Westfield (Indiana) | 422.76 mi (680.37 km) |
| Mason City to Westfield (Massachusetts) | 1,038.78 mi (1,671.75 km) |
| Mason City to Westfield (New Jersey) | 982.77 mi (1,581.61 km) |
| Mason City to Westlake (Ohio) | 587.27 mi (945.11 km) |
