| Iowa City to Burnley | 3,951.69 mi (6,359.62 km) |
| Iowa City to Burntwood | 3,999.20 mi (6,436.09 km) |
| Iowa City to Burscough | 3,936.11 mi (6,334.55 km) |
| Iowa City to Burslem | 3,977.69 mi (6,401.48 km) |
| Iowa City to Burton upon Trent | 4,005.77 mi (6,446.67 km) |
| Iowa City to Burtonwood | 3,947.97 mi (6,353.64 km) |
| Iowa City to Bury | 3,956.08 mi (6,366.70 km) |
| Iowa City to Bury Saint Edmunds | 4,110.91 mi (6,615.87 km) |
| Iowa City to Bushey | 4,091.77 mi (6,585.07 km) |
| Iowa City to Buxton | 3,980.88 mi (6,406.62 km) |
| Iowa City to Caerdydd | 3,991.04 mi (6,422.96 km) |
| Iowa City to Caerfyrddin | 3,935.89 mi (6,334.20 km) |
| Iowa City to Caernarfon | 3,897.70 mi (6,272.74 km) |
| Iowa City to Caerphilly | 3,986.45 mi (6,415.57 km) |
| Iowa City to Caister-on-Sea | 4,133.85 mi (6,652.78 km) |
