| Mason City to Brandermill (Virginia) | 907.64 mi (1,460.70 km) |
| Mason City to Brandon (Florida) | 1,214.17 mi (1,954.02 km) |
| Mason City to Brandon (Mississippi) | 771.16 mi (1,241.06 km) |
| Mason City to Brandon (South Dakota) | 172.51 mi (277.63 km) |
| Mason City to Branson (Missouri) | 448.97 mi (722.54 km) |
| Mason City to Braselton (Georgia) | 803.16 mi (1,292.56 km) |
| Mason City to Brawley (California) | 1,396.80 mi (2,247.94 km) |
| Mason City to Brea (California) | 1,470.12 mi (2,365.94 km) |
| Mason City to Brecksville (Ohio) | 605.44 mi (974.37 km) |
| Mason City to Bremerton (Washington) | 1,455.61 mi (2,342.58 km) |
| Mason City to Brenham (Texas) | 914.67 mi (1,472.02 km) |
| Mason City to Brent (Florida) | 934.98 mi (1,504.71 km) |
| Mason City to Brentwood (California) | 1,532.10 mi (2,465.67 km) |
| Mason City to Brentwood (New York) | 1,035.17 mi (1,665.95 km) |
| Mason City to Brentwood (Tennessee) | 600.89 mi (967.04 km) |
