| Iowa City to Beausoleil | 4,694.37 mi (7,554.86 km) |
| Iowa City to Beauvais | 4,262.76 mi (6,860.24 km) |
| Iowa City to Begles | 4,329.16 mi (6,967.11 km) |
| Iowa City to Belfort | 4,512.25 mi (7,261.77 km) |
| Iowa City to Bellegarde-sur-Valserine | 4,534.47 mi (7,297.53 km) |
| Iowa City to Bellerive-sur-Allier | 4,439.00 mi (7,143.89 km) |
| Iowa City to Bellevue | 4,294.49 mi (6,911.31 km) |
| Iowa City to Belley | 4,543.10 mi (7,311.41 km) |
| Iowa City to Berck-sur-Mer | 4,208.19 mi (6,772.43 km) |
| Iowa City to Bergerac | 4,369.84 mi (7,032.58 km) |
| Iowa City to Bernay | 4,217.80 mi (6,787.90 km) |
| Iowa City to Berre-l'Etang | 4,614.87 mi (7,426.92 km) |
| Iowa City to Besancon | 4,496.65 mi (7,236.65 km) |
| Iowa City to Bethune | 4,243.00 mi (6,828.45 km) |
| Iowa City to Betton | 4,162.32 mi (6,698.61 km) |
