| Mason City to Waimea (Hawaii) | 3,907.08 mi (6,287.84 km) |
| Mason City to Waipahu (Hawaii) | 3,967.13 mi (6,384.48 km) |
| Mason City to Waipio (Hawaii) | 3,965.23 mi (6,381.42 km) |
| Mason City to Wake Forest (North Carolina) | 924.50 mi (1,487.84 km) |
| Mason City to Wakefield (Virginia) | 882.70 mi (1,420.57 km) |
| Mason City to Waldorf (Maryland) | 904.68 mi (1,455.94 km) |
| Mason City to Walker (Michigan) | 376.35 mi (605.68 km) |
| Mason City to Walker Mill (Maryland) | 898.55 mi (1,446.08 km) |
| Mason City to Walla Walla (Washington) | 1,247.43 mi (2,007.54 km) |
| Mason City to Wallingford Center (Connecticut) | 1,045.52 mi (1,682.60 km) |
| Mason City to Wallington (New Jersey) | 990.83 mi (1,594.59 km) |
| Mason City to Walnut (California) | 1,465.78 mi (2,358.94 km) |
| Mason City to Walnut Creek (California) | 1,549.12 mi (2,493.07 km) |
| Mason City to Walnut Park (California) | 1,485.69 mi (2,390.99 km) |
| Mason City to Waltham (Massachusetts) | 1,111.76 mi (1,789.20 km) |
