| Iowa City to Arcos de Valdevez | 4,098.93 mi (6,596.59 km) |
| Iowa City to Arcozelo | 4,116.89 mi (6,625.50 km) |
| Iowa City to Arganil | 4,173.04 mi (6,715.85 km) |
| Iowa City to Arouca | 4,138.87 mi (6,660.87 km) |
| Iowa City to Arruda dos Vinhos | 4,171.59 mi (6,713.52 km) |
| Iowa City to Aveiro | 4,131.37 mi (6,648.79 km) |
| Iowa City to Aver-o-Mar | 4,098.85 mi (6,596.46 km) |
| Iowa City to Aves | 4,118.50 mi (6,628.08 km) |
| Iowa City to Azambuja | 4,177.72 mi (6,723.38 km) |
| Iowa City to Baiao | 4,140.06 mi (6,662.78 km) |
| Iowa City to Barcelos | 4,101.69 mi (6,601.03 km) |
| Iowa City to Barreiro | 4,183.06 mi (6,731.99 km) |
| Iowa City to Batalha | 4,159.71 mi (6,694.41 km) |
| Iowa City to Beja | 4,260.64 mi (6,856.83 km) |
| Iowa City to Belas | 4,169.72 mi (6,710.51 km) |
