| Mason City to Brzesko | 4,869.70 mi (7,837.03 km) |
| Mason City to Brzeszcze | 4,821.59 mi (7,759.59 km) |
| Mason City to Brzeziny | 4,754.07 mi (7,650.94 km) |
| Mason City to Brzozow | 4,926.64 mi (7,928.67 km) |
| Mason City to Bukowno | 4,818.66 mi (7,754.89 km) |
| Mason City to Busko-Zdroj | 4,848.46 mi (7,802.83 km) |
| Mason City to Bydgoszcz | 4,637.87 mi (7,463.93 km) |
| Mason City to Bystrzyca Klodzka | 4,726.75 mi (7,606.97 km) |
| Mason City to Bytom | 4,797.43 mi (7,720.71 km) |
| Mason City to Bytow | 4,575.81 mi (7,364.06 km) |
| Mason City to Chelm | 4,899.94 mi (7,885.69 km) |
| Mason City to Chelmek | 4,819.17 mi (7,755.71 km) |
| Mason City to Chelmno | 4,640.15 mi (7,467.60 km) |
| Mason City to Chelmza | 4,653.35 mi (7,488.85 km) |
| Mason City to Chodziez | 4,610.38 mi (7,419.69 km) |
