| Marshalltown to Blumberg | 4,600.34 mi (7,403.54 km) |
| Marshalltown to Bobenheim-Roxheim | 4,521.26 mi (7,276.27 km) |
| Marshalltown to Bobingen | 4,665.11 mi (7,507.77 km) |
| Marshalltown to Boblingen | 4,582.31 mi (7,374.51 km) |
| Marshalltown to Bocholt | 4,368.41 mi (7,030.27 km) |
| Marshalltown to Bochum | 4,403.38 mi (7,086.55 km) |
| Marshalltown to Bockenem | 4,482.50 mi (7,213.89 km) |
| Marshalltown to Bockhorn | 4,354.48 mi (7,007.87 km) |
| Marshalltown to Bogen | 4,702.99 mi (7,568.74 km) |
| Marshalltown to Bohl-Iggelheim | 4,528.17 mi (7,287.39 km) |
| Marshalltown to Bohmte | 4,406.03 mi (7,090.81 km) |
| Marshalltown to Boizenburg | 4,445.92 mi (7,155.02 km) |
| Marshalltown to Bonen | 4,417.70 mi (7,109.61 km) |
| Marshalltown to Bonn | 4,429.32 mi (7,128.30 km) |
| Marshalltown to Bopfingen | 4,623.12 mi (7,440.20 km) |
