| Iowa City to Bernburg | 4,518.55 mi (7,271.90 km) |
| Iowa City to Bersenbruck | 4,357.53 mi (7,012.76 km) |
| Iowa City to Besigheim | 4,542.39 mi (7,310.27 km) |
| Iowa City to Bestwig | 4,420.27 mi (7,113.73 km) |
| Iowa City to Betzdorf | 4,424.53 mi (7,120.59 km) |
| Iowa City to Beverstedt | 4,353.40 mi (7,006.12 km) |
| Iowa City to Beverungen | 4,442.61 mi (7,149.69 km) |
| Iowa City to Bexbach | 4,459.22 mi (7,176.42 km) |
| Iowa City to Biberach | 4,603.01 mi (7,407.84 km) |
| Iowa City to Biblis | 4,489.37 mi (7,224.94 km) |
| Iowa City to Bieber | 4,457.33 mi (7,173.39 km) |
| Iowa City to Biedenkopf | 4,443.01 mi (7,150.33 km) |
| Iowa City to Bielefeld | 4,399.11 mi (7,079.69 km) |
| Iowa City to Bietigheim-Bissingen | 4,543.38 mi (7,311.86 km) |
| Iowa City to Billerbeck | 4,357.27 mi (7,012.35 km) |
