| Mason City to Bernburg | 4,497.35 mi (7,237.78 km) |
| Mason City to Bersenbruck | 4,338.41 mi (6,981.99 km) |
| Mason City to Besigheim | 4,529.41 mi (7,289.38 km) |
| Mason City to Bestwig | 4,403.15 mi (7,086.18 km) |
| Mason City to Betzdorf | 4,409.12 mi (7,095.80 km) |
| Mason City to Beverstedt | 4,331.56 mi (6,970.97 km) |
| Mason City to Beverungen | 4,423.95 mi (7,119.66 km) |
| Mason City to Bexbach | 4,447.40 mi (7,157.40 km) |
| Mason City to Biberach | 4,591.18 mi (7,388.78 km) |
| Mason City to Biblis | 4,475.68 mi (7,202.91 km) |
| Mason City to Bieber | 4,441.63 mi (7,148.11 km) |
| Mason City to Biedenkopf | 4,426.70 mi (7,124.09 km) |
| Mason City to Bielefeld | 4,380.50 mi (7,049.73 km) |
| Mason City to Bietigheim-Bissingen | 4,530.47 mi (7,291.09 km) |
| Mason City to Billerbeck | 4,339.89 mi (6,984.39 km) |
