| Iowa City to Brzesko | 4,896.56 mi (7,880.25 km) |
| Iowa City to Brzeszcze | 4,846.93 mi (7,800.38 km) |
| Iowa City to Brzeziny | 4,783.26 mi (7,697.91 km) |
| Iowa City to Brzozow | 4,954.57 mi (7,973.61 km) |
| Iowa City to Bukowno | 4,844.82 mi (7,796.98 km) |
| Iowa City to Busko-Zdroj | 4,876.30 mi (7,847.64 km) |
| Iowa City to Bydgoszcz | 4,667.71 mi (7,511.95 km) |
| Iowa City to Bystrzyca Klodzka | 4,749.99 mi (7,644.38 km) |
| Iowa City to Bytom | 4,823.14 mi (7,762.10 km) |
| Iowa City to Bytow | 4,607.05 mi (7,414.33 km) |
| Iowa City to Chelm | 4,931.88 mi (7,937.09 km) |
| Iowa City to Chelmek | 4,844.83 mi (7,797.00 km) |
| Iowa City to Chelmno | 4,670.82 mi (7,516.95 km) |
| Iowa City to Chelmza | 4,683.90 mi (7,538.01 km) |
| Iowa City to Chodziez | 4,638.88 mi (7,465.56 km) |
