| Mason City to Bay City (Michigan) | 468.41 mi (753.83 km) |
| Mason City to Bay City (Texas) | 990.61 mi (1,594.23 km) |
| Mason City to Bay Point (California) | 1,541.72 mi (2,481.16 km) |
| Mason City to Bay Shore (New York) | 1,036.34 mi (1,667.83 km) |
| Mason City to Bay Village (Ohio) | 586.56 mi (943.98 km) |
| Mason City to Bayamón (Puerto Rico) | 2,325.69 mi (3,742.83 km) |
| Mason City to Bayonet Point (Florida) | 1,179.62 mi (1,898.42 km) |
| Mason City to Bayonne (New Jersey) | 993.91 mi (1,599.55 km) |
| Mason City to Bayou Blue (Louisiana) | 944.15 mi (1,519.47 km) |
| Mason City to Bayou Cane (Louisiana) | 944.20 mi (1,519.54 km) |
| Mason City to Bayshore Gardens (Florida) | 1,237.57 mi (1,991.68 km) |
| Mason City to Baytown (Texas) | 930.30 mi (1,497.17 km) |
| Mason City to Beach Park (Illinois) | 275.36 mi (443.14 km) |
| Mason City to Beachwood (New Jersey) | 1,005.00 mi (1,617.40 km) |
| Mason City to Beachwood (Ohio) | 608.16 mi (978.75 km) |
