| Iowa City to Bargas | 4,363.59 mi (7,022.52 km) |
| Iowa City to Bayona | 4,070.34 mi (6,550.59 km) |
| Iowa City to Baza | 4,514.46 mi (7,265.31 km) |
| Iowa City to Beasain | 4,326.29 mi (6,962.50 km) |
| Iowa City to Bejar | 4,269.43 mi (6,870.98 km) |
| Iowa City to Benaguacil | 4,528.09 mi (7,287.26 km) |
| Iowa City to Benahavis | 4,448.47 mi (7,159.13 km) |
| Iowa City to Benalmadena | 4,469.56 mi (7,193.07 km) |
| Iowa City to Benavente | 4,214.33 mi (6,782.31 km) |
| Iowa City to Benetuser | 4,543.07 mi (7,311.36 km) |
| Iowa City to Beniajan | 4,570.77 mi (7,355.95 km) |
| Iowa City to Benicarlo | 4,539.07 mi (7,304.93 km) |
| Iowa City to Benicasim | 4,538.14 mi (7,303.44 km) |
| Iowa City to Beniel | 4,571.16 mi (7,356.58 km) |
| Iowa City to Benifayo | 4,547.23 mi (7,318.05 km) |
