| Iowa City to Billingham | 3,960.74 mi (6,374.19 km) |
| Iowa City to Bilston | 3,997.35 mi (6,433.12 km) |
| Iowa City to Binfield | 4,082.81 mi (6,570.65 km) |
| Iowa City to Bingham | 4,025.93 mi (6,479.11 km) |
| Iowa City to Bingley | 3,964.80 mi (6,380.72 km) |
| Iowa City to Birchington | 4,162.92 mi (6,699.57 km) |
| Iowa City to Birkenhead | 3,936.21 mi (6,334.72 km) |
| Iowa City to Birmingham | 4,006.47 mi (6,447.79 km) |
| Iowa City to Birstall | 3,974.81 mi (6,396.84 km) |
| Iowa City to Birstall | 4,029.00 mi (6,484.05 km) |
| Iowa City to Bishop Auckland | 3,944.63 mi (6,348.27 km) |
| Iowa City to Bishopbriggs | 3,816.93 mi (6,142.75 km) |
| Iowa City to Bishops Cleeve | 4,018.03 mi (6,466.40 km) |
| Iowa City to Bishops Stortford | 4,103.72 mi (6,604.30 km) |
| Iowa City to Bishopstoke | 4,078.36 mi (6,563.48 km) |
