| Mason City to Beeville (Texas) | 1,049.66 mi (1,689.27 km) |
| Mason City to Bel Air (Maryland) | 907.44 mi (1,460.38 km) |
| Mason City to Bel Air North (Maryland) | 905.60 mi (1,457.42 km) |
| Mason City to Bel Air South (Maryland) | 909.98 mi (1,464.47 km) |
| Mason City to Belgrade (Montana) | 902.71 mi (1,452.76 km) |
| Mason City to Bell (California) | 1,483.22 mi (2,387.00 km) |
| Mason City to Bell Gardens (California) | 1,482.53 mi (2,385.91 km) |
| Mason City to Bella Vista (Arkansas) | 465.16 mi (748.60 km) |
| Mason City to Bellair-Meadowbrook Terrace (Florida) | 1,096.10 mi (1,764.01 km) |
| Mason City to Bellaire (Texas) | 937.31 mi (1,508.46 km) |
| Mason City to Belle Chasse (Louisiana) | 935.24 mi (1,505.12 km) |
| Mason City to Belle Glade (Florida) | 1,337.14 mi (2,151.91 km) |
| Mason City to Bellefontaine (Ohio) | 522.72 mi (841.24 km) |
| Mason City to Bellefontaine Neighbors (Missouri) | 340.96 mi (548.72 km) |
| Mason City to Belleville (Illinois) | 361.31 mi (581.46 km) |
