| Iowa City to San Baudilio de Llobregat | 4,571.46 mi (7,357.06 km) |
| Iowa City to San Celoni | 4,576.58 mi (7,365.29 km) |
| Iowa City to San Cugat del Valles | 4,568.19 mi (7,351.79 km) |
| Iowa City to San Fausto de Campcentellas | 4,573.42 mi (7,360.21 km) |
| Iowa City to San Feliu de Guixols | 4,595.60 mi (7,395.90 km) |
| Iowa City to San Feliu de Llobregat | 4,570.06 mi (7,354.79 km) |
| Iowa City to San Fernando | 4,397.32 mi (7,076.81 km) |
| Iowa City to San Fernando de Henares | 4,366.59 mi (7,027.35 km) |
| Iowa City to San Fructuoso de Bages | 4,548.17 mi (7,319.57 km) |
| Iowa City to San Javier | 4,588.29 mi (7,384.14 km) |
| Iowa City to San Juan de Alicante | 4,582.01 mi (7,374.04 km) |
| Iowa City to San Juan de Aznalfarache | 4,371.31 mi (7,034.94 km) |
| Iowa City to San Juan de Vilasar | 4,579.89 mi (7,370.62 km) |
| Iowa City to San Juan del Puerto | 4,335.73 mi (6,977.68 km) |
| Iowa City to San Juan Despi | 4,571.27 mi (7,356.75 km) |
