| Mason City to Beausoleil | 4,693.75 mi (7,553.87 km) |
| Mason City to Beauvais | 4,255.77 mi (6,849.00 km) |
| Mason City to Begles | 4,334.96 mi (6,976.44 km) |
| Mason City to Belfort | 4,504.39 mi (7,249.12 km) |
| Mason City to Bellegarde-sur-Valserine | 4,530.84 mi (7,291.67 km) |
| Mason City to Bellerive-sur-Allier | 4,437.89 mi (7,142.09 km) |
| Mason City to Bellevue | 4,288.46 mi (6,901.61 km) |
| Mason City to Belley | 4,540.32 mi (7,306.94 km) |
| Mason City to Berck-sur-Mer | 4,199.49 mi (6,758.42 km) |
| Mason City to Bergerac | 4,374.48 mi (7,040.04 km) |
| Mason City to Bernay | 4,212.99 mi (6,780.15 km) |
| Mason City to Berre-l'Etang | 4,617.32 mi (7,430.86 km) |
| Mason City to Besancon | 4,490.47 mi (7,226.71 km) |
| Mason City to Bethune | 4,233.06 mi (6,812.45 km) |
| Mason City to Betton | 4,161.67 mi (6,697.56 km) |
