| Iowa City to Barmstedt | 4,371.66 mi (7,035.50 km) |
| Iowa City to Barntrup | 4,420.89 mi (7,114.74 km) |
| Iowa City to Barsbuttel | 4,393.65 mi (7,070.90 km) |
| Iowa City to Barsinghausen | 4,420.87 mi (7,114.71 km) |
| Iowa City to Barssel | 4,327.01 mi (6,963.64 km) |
| Iowa City to Barth | 4,445.23 mi (7,153.91 km) |
| Iowa City to Bassum | 4,373.16 mi (7,037.92 km) |
| Iowa City to Baunatal | 4,460.45 mi (7,178.40 km) |
| Iowa City to Bautzen | 4,636.19 mi (7,461.23 km) |
| Iowa City to Bayreuth | 4,590.47 mi (7,387.65 km) |
| Iowa City to Bebra | 4,485.17 mi (7,218.19 km) |
| Iowa City to Beckingen | 4,436.90 mi (7,140.50 km) |
| Iowa City to Beckum | 4,392.26 mi (7,068.66 km) |
| Iowa City to Bedburg | 4,326.03 mi (6,962.07 km) |
| Iowa City to Bedburg | 4,369.07 mi (7,031.34 km) |
